Littelfuse Reed Relays 150

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Manufacturers (1)
    • Littelfuse
    • Comus International
    • Coto Technology
    • Crydom
    • Cynergy3 Components
    • Meder Electronic Ag
    • Panasonic
    • Pickering Electronics
    • Standex-Meder Electronics
    • Stg Germany
    • TE Connectivity
Relay Type
    • Dry Reed Relay
    • Wet Reed Relay
Mounting Feature
    • Panel Mount
    • Socket Mount
    • Surface Mount-Straight
    • Through Hole-Straight Mount
Relay Action
    • BBM
    • MBB
    • Momentary
Relay Function
    • 3PDT
    • 3PST
    • 4PDT
    • DPDT
    • DPST
    • SPDT
    • SPST
Coil or Input Supply Type
    • DC
Reference Standard
    • BSI; UKAS
    • CSA; UL
    • CUL; UL
    • EIA/NARM
    • EN
    • UL
Maximum Contact AC Rating (R Load)
    • 0.18A@120VAC
    • 0.1A@30VAC
    • 0.25A@100VAC
    • 0.25A@150VAC
    • 0.25A@175VAC
    • 0.2A@100VAC
    • 0.35A@140VAC
    • 0.35A@265VAC
    • 0.4A@200VAC
    • 0.5A@1000VAC
    • 0.5A@100VAC
    • 0.5A@120VAC
    • 0.5A@150VAC
    • 0.5A@170VAC
    • 0.5A@200VAC
    • 0.5A@20VAC
    • 1A@1000VAC
    • 1A@200VAC
    • 2A@10000VAC
    • 2A@220VAC
    • 2A@500VAC
    • 2A@7000VAC
    • 3A@10000VAC
    • 3A@1000VAC
    • 3A@2500VAC
    • 3A@3500VAC
    • 3A@7500VAC
Dielectric Strength Between Open Contacts
    • 175 Vrms
    • 200 Vrms
    • 210 Vrms
    • 250 Vrms
    • 300 Vrms
    • 500 Vrms
Relay Form
    • 1 Form A
    • 1 Form B
    • 1 Form C
    • 2 Form A
    • 2 Form C
    • 3 Form A
    • 3 Form C
Operate Time
    • 1 ms
    • 1.1 ms
    • 1.2 ms
    • 1.5 ms
    • 1.75 ms
    • 100 µs
    • 16.5 ms
    • 2 ms
    • 250 µs
    • 3 ms
    • 3.2 ms
    • 3.5 ms
    • 300 µs
    • 350 µs
    • 400 µs
    • 500 µs
    • 550 µs
    • 6 ms
    • 600 µs
    • 700 µs
    • 750 µs
Electrical Life
    • 1000000 Cycle(s)
    • 10000000 Cycle(s)
    • 100000000 Cycle(s)
    • 1000000000 Cycle(s)
    • 200000 Cycle(s)
    • 250000000 Cycle(s)
    • 5000000 Cycle(s)
    • 50000000 Cycle(s)
    • 500000000 Cycle(s)
Maximum Contact DC Power Rating (R Load)
    • 10W@1000VDC
    • 10W@100VDC
    • 10W@170VDC
    • 10W@200VDC
    • 10W@20VDC
    • 10W@300VDC
    • 3W@100VDC
    • 3W@10VDC
    • 3W@150VDC
    • 3W@175VDC
    • 5W@175VDC
Release Time
    • 1 ms
    • 1.5 ms
    • 1.6 ms
    • 100 µs
    • 11.5 ms
    • 150 µs
    • 2 ms
    • 2.5 ms
    • 20 µs
    • 200 µs
    • 3 ms
    • 350 µs
    • 50 µs
    • 500 µs
Insulation Resistance
    • 1 GΩ
    • 10 GΩ
    • 100 GΩ
    • 100 MΩ
    • 1000 GΩ
    • 10000 GΩ
    • 100000 GΩ
Coil Power (mW)
    • 1.026 W
    • 1.108 W
    • 1.24 W
    • 1.512 W
    • 1.6 W
    • 1.656 W
    • 100 mW
    • 110 mW
    • 112 mW
    • 115 mW
    • 120 mW
    • 125 mW
    • 128 mW
    • 129 mW
    • 139 mW
    • 143 mW
    • 144 mW
    • 145 mW
    • 150 mW
    • 160 mW
    • 165 mW
    • 167 mW
    • 168 mW
    • 18 mW
    • 180 mW
    • 192 mW
    • 205 mW
    • 211 mW
    • 225 mW
    • 240 mW
    • 25 mW
    • 262 mW
    • 264 mW
    • 268 mW
    • 27 mW
    • 28 mW
    • 280 mW
    • 288 mW
    • 290 mW
    • 303 mW
    • 312 mW
    • 315 mW
    • 320 mW
    • 343 mW
    • 360 mW
    • 400 mW
    • 42 mW
    • 480 mW
    • 50 mW
    • 50 μW
    • 515 mW
    • 554 mW
    • 575 mW
    • 576 mW
    • 600 mW
    • 624 mW
    • 625 mW
    • 64 mW
    • 670 mW
    • 70 mW
    • 72 mW
    • 744 mW
    • 822 mW
    • 828 mW
    • 85 mW
    • 878 mW
    • 893 mW
    • 895 mW
    • 90 mW
    • 96 mW
    • 960 mW
    • 968 mW
Packing Method
    • Box
    • Box; Tray
    • Box; Tube
    • Bulk
    • Tape and Reel
    • Tray
    • Tube
Body Length/Diameter
    • 0.339 in (8.6 mm)
    • 0.35 in (8.89 mm)
    • 0.375 in (9.52 mm)
    • 0.4 in (10.16 mm)
    • 0.598 in (15.2 mm)
    • 0.748 in (19 mm)
    • 0.75 in (19.05 mm)
    • 0.76 in (19.3 mm)
    • 0.77 in (19.56 mm)
    • 0.772 in (19.6 mm)
    • 0.775 in (19.68 mm)
    • 0.776 in (19.7 mm)
    • 0.779 in (19.79 mm)
    • 0.78 in (19.8 mm)
    • 0.793 in (20.14 mm)
    • 0.799 in (20.3 mm)
    • 0.8 in (20.32 mm)
    • 0.81 in (20.57 mm)
    • 0.82 in (20.82 mm)
    • 0.95 in (24.13 mm)
    • 1.087 in (27.6 mm)
    • 1.102 in (28 mm)
    • 1.142 in (29 mm)
    • 1.146 in (29.1 mm)
    • 1.181 in (30 mm)
    • 1.189 in (30.2 mm)
    • 1.19 in (30.23 mm)
    • 1.276 in (32.4 mm)
    • 1.28 in (32.5 mm)
    • 1.299 in (33 mm)
    • 2.012 in (51.1 mm)
    • 2.362 in (60 mm)
    • 2.559 in (65 mm)
    • 2.677 in (68 mm)
    • 2.8 in (71.12 mm)
    • 3 in (76.2 mm)
    • 7.929 in (201.4 mm)
Body Width
    • 10 in (254 mm)
    • 10.2 in (259.08 mm)
    • 10.41 in (264.414 mm)
    • 11 in (279.4 mm)
    • 12.1 in (307.34 mm)
    • 12.6 in (320.04 mm)
    • 12.7 in (322.58 mm)
    • 13 in (330.2 mm)
    • 14.5 in (368.3 mm)
    • 15.8 in (401.32 mm)
    • 18 in (457.2 mm)
    • 18.03 in (457.962 mm)
    • 19 in (482.6 mm)
    • 19.05 in (483.87 mm)
    • 19.3 in (490.22 mm)
    • 20 in (508 mm)
    • 21 in (533.4 mm)
    • 24.6 in (624.84 mm)
    • 3.81 in (96.774 mm)
    • 4.4 in (111.76 mm)
    • 4.95 in (125.73 mm)
    • 5.08 in (129.032 mm)
    • 5.1 in (129.54 mm)
    • 5.26 in (133.604 mm)
    • 5.33 in (135.382 mm)
    • 5.6 in (142.24 mm)
    • 5.65 in (143.51 mm)
    • 6.1 in (154.94 mm)
    • 6.22 in (157.988 mm)
    • 6.35 in (161.29 mm)
    • 6.4 in (162.56 mm)
    • 6.6 in (167.64 mm)
    • 6.8 in (172.72 mm)
    • 6.85 in (173.99 mm)
    • 7 in (177.8 mm)
    • 7.22 in (183.388 mm)
    • 7.3 in (185.42 mm)
    • 7.5 in (190.5 mm)
    • 7.62 in (193.548 mm)
Coil Resistance
    • 1 kΩ
    • 1.05 kΩ
    • 1.1 kΩ
    • 1.2 kΩ
    • 1.5 kΩ
    • 1.6 kΩ
    • 1.8 kΩ
    • 110 Ω
    • 140 Ω
    • 150 Ω
    • 165 Ω
    • 175 Ω
    • 198 Ω
    • 2 kΩ
    • 2.15 kΩ
    • 2.2 kΩ
    • 200 Ω
    • 220 Ω
    • 230 Ω
    • 240 Ω
    • 250 Ω
    • 28 Ω
    • 3.5 kΩ
    • 300 Ω
    • 308 Ω
    • 350 Ω
    • 370 Ω
    • 396 Ω
    • 40 Ω
    • 400 Ω
    • 420 Ω
    • 465 Ω
    • 475 Ω
    • 5.1 kΩ
    • 500 Ω
    • 550 Ω
    • 600 Ω
    • 660 Ω
    • 680 Ω
    • 70 Ω
    • 700 Ω
    • 748 Ω
    • 750 Ω
    • 77 Ω
    • 770 Ω
    • 780 Ω
    • 80 Ω
    • 855 Ω
    • 90 Ω
    • 900 Ω
    • 925 Ω
    • 95 Ω
Sealing
    • Epoxy Terminal Sealed
    • Hermetical
    • Hermetically Sealed
    • IP67
    • Waterproof
Weight
    • 1.4 g
    • 1.6 g
    • 1.8 g
    • 2.3 g
    • 370 mg
No. of Terminals
    • 10
    • 12
    • 4
    • 5
    • 6
    • 8
Physical Dimension
    • 0.339 x 0.173 x 0.134 in (8.6 x 4.4 x 3.4 mm)
    • 0.339 x 0.173 x 0.14 in (8.6 x 4.4 x 3.55 mm)
    • 0.339 x 0.173 x 0.142 in (8.6 x 4.4 x 3.6 mm)
    • 0.339 x 0.173 x 0.236 in (8.6 x 4.4 x 6 mm)
    • 0.35 x 0.15 x 0.142 in (8.89 x 3.81 x 3.61 mm)
    • 0.375 x 0.195 x 0.19 in (9.52 x 4.95 x 4.82 mm)
    • 0.4 x 0.195 x 0.2 in (10.16 x 4.95 x 5.08 mm)
    • 0.4 x 0.195 x 0.21 in (10.16 x 4.95 x 5.33 mm)
    • 0.4 x 0.195 x 0.22 in (10.16 x 4.95 x 5.58 mm)
    • 0.4 x 0.207 x 0.18 in (10.16 x 5.26 x 4.57 mm)
    • 0.4 x 0.207 x 0.2 in (10.16 x 5.26 x 5.08 mm)
    • 0.598 x 0.15 x 0.268 in (15.2 x 3.81 x 6.8 mm)
    • 0.748 x 0.2 x 0.303 in (19 x 5.08 x 7.7 mm)
    • 0.748 x 0.268 x 0.291 in (19 x 6.8 x 7.4 mm)
    • 0.75 x 0.2 x 0.3 in (19.05 x 5.08 x 7.62 mm)
    • 0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)
    • 0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)
    • 0.76 x 0.2 x 0.299 in (19.3 x 5.08 x 7.6 mm)
    • 0.76 x 0.2 x 0.3 in (19.3 x 5.08 x 7.62 mm)
    • 0.76 x 0.252 x 0.201 in (19.3 x 6.4 x 5.1 mm)
    • 0.76 x 0.252 x 0.224 in (19.3 x 6.4 x 5.7 mm)
    • 0.76 x 0.276 x 0.295 in (19.3 x 7 x 7.5 mm)
    • 0.77 x 0.3 x 0.315 in (19.56 x 7.62 x 8 mm)
    • 0.772 x 0.252 x 0.209 in (19.6 x 6.4 x 5.3 mm)
    • 0.775 x 0.27 x 0.26 in (19.68 x 6.85 x 6.6 mm)
    • 0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)
    • 0.78 x 0.2 x 0.307 in (19.8 x 5.08 x 7.8 mm)
    • 0.78 x 0.201 x 0.307 in (19.8 x 5.1 x 7.8 mm)
    • 0.78 x 0.22 x 0.319 in (19.8 x 5.6 x 8.1 mm)
    • 0.793 x 0.284 x 0.217 in (20.14 x 7.22 x 5.5 mm)
    • 0.793 x 0.3 x 0.229 in (20.14 x 7.62 x 5.82 mm)
    • 0.8 x 0.24 x 0.19 in (20.32 x 6.1 x 4.83 mm)
    • 0.8 x 0.26 x 0.307 in (20.32 x 6.6 x 7.8 mm)
    • 0.81 x 0.21 x 0.225 in (20.57 x 5.33 x 5.72 mm)
    • 0.81 x 0.21 x 0.37 in (20.57 x 5.33 x 9.4 mm)
    • 0.81 x 0.21 x 0.371 in (20.57 x 5.33 x 9.43 mm)
    • 0.81 x 0.21 x 0.382 in (20.57 x 5.33 x 9.7 mm)
    • 0.82 x 0.25 x 0.28 in (20.82 x 6.35 x 7.11 mm)
    • 0.82 x 0.25 x 0.3 in (20.82 x 6.35 x 7.62 mm)
    • 0.95 x 0.245 x 0.32 in (24.13 x 6.22 x 8.13 mm)
    • 1.087 x 0.287 x 0.335 in (27.6 x 7.3 x 8.5 mm)
    • 1.102 x 0.295 x 0.291 in (28 x 7.5 x 7.4 mm)
    • 1.102 x 0.295 x 0.311 in (28 x 7.5 x 7.9 mm)
    • 1.142 x 0.245 x 0.492 in (29 x 6.22 x 12.5 mm)
    • 1.146 x 0.709 x 1.181 in (29.1 x 18 x 30 mm)
    • 1.181 x 0.394 x 0.409 in (30 x 10 x 10.4 mm)
    • 1.181 x 0.433 x 0.354 in (30 x 11 x 9 mm)
    • 1.189 x 0.402 x 0.343 in (30.2 x 10.2 x 8.7 mm)
    • 1.189 x 0.969 x 0.425 in (30.2 x 24.6 x 10.8 mm)
    • 1.19 x 0.41 x 0.375 in (30.23 x 10.41 x 9.52 mm)
    • 1.19 x 0.5 x 0.375 in (30.23 x 12.7 x 9.52 mm)
    • 1.19 x 0.76 x 0.375 in (30.23 x 19.3 x 9.52 mm)
    • 1.276 x 0.476 x 0.394 in (32.4 x 12.1 x 10 mm)
    • 1.28 x 0.512 x 0.394 in (32.5 x 13 x 10 mm)
    • 1.299 x 0.496 x 0.394 in (33 x 12.6 x 10 mm)
    • 2.012 x 0.787 x 0.787 in (51.1 x 20 x 20 mm)
    • 2.362 x 0.622 x 0.724 in (60 x 15.8 x 18.4 mm)
    • 2.362 x 0.622 x 0.728 in (60 x 15.8 x 18.5 mm)
    • 2.559 x 0.571 x 0.61 in (65 x 14.5 x 15.5 mm)
    • 2.559 x 0.571 x 0.622 in (65 x 14.5 x 15.8 mm)
    • 2.677 x 0.748 x 0.78 in (68 x 19 x 19.8 mm)
    • 2.677 x 0.827 x 0.846 in (68 x 21 x 21.5 mm)
    • 2.8 x 0.71 x 0.75 in (71.12 x 18.03 x 19.05 mm)
    • 3 x 0.75 x 0.81 in (76.2 x 19.05 x 20.57 mm)
End Contact Plating
    • Gold
    • Tin
Body Height
    • 0.134 in (3.4 mm)
    • 0.14 in (3.55 mm)
    • 0.142 in (3.6 mm)
    • 0.142 in (3.61 mm)
    • 0.18 in (4.57 mm)
    • 0.19 in (4.82 mm)
    • 0.19 in (4.83 mm)
    • 0.2 in (5.08 mm)
    • 0.201 in (5.1 mm)
    • 0.209 in (5.3 mm)
    • 0.21 in (5.33 mm)
    • 0.217 in (5.5 mm)
    • 0.22 in (5.58 mm)
    • 0.225 in (5.72 mm)
    • 0.229 in (5.82 mm)
    • 0.236 in (6 mm)
    • 0.26 in (6.6 mm)
    • 0.268 in (6.8 mm)
    • 0.28 in (7.11 mm)
    • 0.291 in (7.4 mm)
    • 0.295 in (7.5 mm)
    • 0.299 in (7.6 mm)
    • 0.3 in (7.62 mm)
    • 0.303 in (7.7 mm)
    • 0.307 in (7.8 mm)
    • 0.31 in (7.87 mm)
    • 0.311 in (7.9 mm)
    • 0.315 in (8 mm)
    • 0.319 in (8.1 mm)
    • 0.32 in (8.13 mm)
    • 0.335 in (8.5 mm)
    • 0.343 in (8.7 mm)
    • 0.354 in (9 mm)
    • 0.37 in (9.4 mm)
    • 0.371 in (9.43 mm)
    • 0.375 in (9.52 mm)
    • 0.382 in (9.7 mm)
    • 0.394 in (10 mm)
    • 0.409 in (10.4 mm)
    • 0.425 in (10.8 mm)
    • 0.492 in (12.5 mm)
    • 0.61 in (15.5 mm)
    • 0.622 in (15.8 mm)
    • 0.724 in (18.4 mm)
    • 0.728 in (18.5 mm)
    • 0.75 in (19.05 mm)
    • 0.78 in (19.8 mm)
    • 0.787 in (20 mm)
    • 0.81 in (20.57 mm)
    • 0.846 in (21.5 mm)
    • 1.181 in (30 mm)
Dielectric Strength Between Coil & Contacts
    • 1 kVrms
    • 1.5 kVrms
    • 500 Vrms
Maximum Contact DC Rating (R Load)
    • 0.006A@12VDC
    • 0.1A@30VDC
    • 0.25A@100VDC
    • 0.25A@150VDC
    • 0.25A@175VDC
    • 0.2A@100VDC
    • 0.4A@200VDC
    • 0.5A@1000VDC
    • 0.5A@100VDC
    • 0.5A@150VDC
    • 0.5A@170VDC
    • 0.5A@200VDC
    • 0.5A@20VDC
    • 0.5A@28VDC
    • 0.5A@300VDC
    • 1A@1000VDC
    • 1A@200VDC
    • 1A@20VDC
    • 2A@10000VDC
    • 2A@220VDC
    • 2A@24VDC
    • 2A@500VDC
    • 2A@7000VDC
    • 3A@10000VDC
    • 3A@1000VDC
    • 3A@2500VDC
    • 3A@3500VDC
    • 3A@7500VDC
Maximum Operating Temperature
    • 100 °C (212 °F)
    • 105 °C (221 °F)
    • 125 °C (257 °F)
    • 65 °C (149 °F)
    • 70 °C (158 °F)
    • 75 °C (167 °F)
    • 80 °C (176 °F)
    • 85 °C (185 °F)
Maximum AC Contact Current
    • 1 A
    • 1.2 A
    • 100 mA
    • 180 mA
    • 2 A
    • 200 mA
    • 250 mA
    • 3 A
    • 350 mA
    • 400 mA
    • 500 mA
Maximum DC Coil Current
    • 10 mA
    • 11 mA
    • 12 mA
    • 125 mA
    • 126 mA
    • 13 mA
    • 14 mA
    • 16 mA
    • 17 mA
    • 178 mA
    • 179 mA
    • 18 mA
    • 2 mA
    • 20 mA
    • 22 mA
    • 23 mA
    • 24 mA
    • 25 mA
    • 26 mA
    • 28 mA
    • 29 mA
    • 30 mA
    • 31 mA
    • 33 mA
    • 34 mA
    • 36 mA
    • 38 mA
    • 40 mA
    • 43 mA
    • 45 mA
    • 5 mA
    • 50 mA
    • 52 mA
    • 56 mA
    • 6 mA
    • 63 mA
    • 67 mA
    • 69 mA
    • 7 mA
    • 8 mA
    • 80 mA
Maximum AC Coil Voltage
    • 100 V
    • 12 V
    • 24 V
    • 28 V
    • 48 V
    • 5 V
Minimum Operating Temperature
    • -20 °C (-4 °F)
    • -25 °C (-13 °F)
    • -35 °C (-31 °F)
    • -38 °C (-36.4 °F)
    • -40 °C (-40 °F)
DC Coil Release Voltage
    • 1 V
    • 1.25 V
    • 1.4 V
    • 1.8 V
    • 2 V
    • 2.25 V
    • 2.4 V
    • 2.9 V
    • 3.5 V
    • 3.6 V
    • 4 V
    • 400 mV
    • 450 mV
    • 500 mV
    • 700 mV
    • 750 mV
    • 800 mV
Terminal Finish
    • Gold
    • Matte Tin
    • Tin
Maximum DC Contact Current
    • 1 A
    • 1.2 A
    • 100 mA
    • 2 A
    • 200 mA
    • 250 mA
    • 3 A
    • 400 mA
    • 500 mA
Termination Type
    • Solder
    • Solder and Wire
    • Solder/Quick Connect
    • Wire Wrap
Nominal Coil Voltage
    • 12 V
    • 24 V
    • 3 V
    • 5 V
    • 6 V
DC Coil Operate Voltage
    • 10 V
    • 10.5 V
    • 15 V
    • 16 V
    • 16.8 V
    • 18 V
    • 19.2 V
    • 2.1 V
    • 2.25 V
    • 2.5 V
    • 20 V
    • 3.5 V
    • 3.6 V
    • 3.7 V
    • 3.75 V
    • 3.8 V
    • 6.7 V
    • 8 V
    • 8.4 V
    • 9 V
    • 9.6 V
Manufacturer Series
    • 1612185000
    • 3303172171
    • CRF
    • CRR03-1A
    • DIP
    • DIP05-1A72-13DHR
    • H24-1A69
    • HE
    • HE200
    • HE400
    • HE700
    • HM
    • KT24-1A-40L-THT
    • MS
    • NF
    • PRME
    • SAR9
Contact Resistance
    • 100 mΩ
    • 150 mΩ
    • 200 mΩ
    • 250 mΩ
    • 50 mΩ
    • 600 mΩ
    • 80 mΩ
Input Switching Control Type
    • Random
End Contact Material
    • Copper Alloy
    • Gold
    • Nickel Palladium
    • Nickel Titanium
    • Rhodium
    • Ruthenium
    • Silver Nickel
    • Tungsten
PCB Hole Count
    • 10
    • 4
    • 6
    • 8
Maximum DC Contact Voltage
    • 1 KV
    • 10 KV
    • 10 V
    • 100 V
    • 150 V
    • 170 V
    • 175 V
    • 2.5 KV
    • 20 V
    • 200 V
    • 220 V
    • 24 V
    • 3.5 KV
    • 30 V
    • 300 V
    • 500 V
    • 7 KV
    • 7.5 KV
Additional Features
    • Coil Suppression Diode
    • Diode Supressed Coil
    • Electrostatic Shielded
    • Low Profile
    • Low Profile, Shielded
    • Magnetic Shield, Suppressed Zener Diode
    • Operate and Release Time with Diode
    • Operate and Release Time with Diode, Panel Mountable
    • Panel Mountable
    • RoHS Compliant
    • Shielded
    • With Coil Suppressed Diode
    • With Diode
    • With Diode and Electrostatic Shield
    • With Diode, Shielded
    • With Flying Leads
    • With Suppression Diode
Maximum AC Contact Voltage
    • 1 KV
    • 10 KV
    • 100 V
    • 120 V
    • 140 V
    • 150 V
    • 170 V
    • 175 V
    • 2.5 KV
    • 20 V
    • 200 V
    • 220 V
    • 265 V
    • 3.5 KV
    • 30 V
    • 500 V
    • 7 KV
    • 7.5 KV
JESD-609 Code
    • e3
    • e4
Terminal Length
    • 0.1063 in (2.7 mm)
    • 0.1181 in (3 mm)
    • 0.122 in (3.099 mm)
    • 0.126 in (3.2 mm)
    • 0.1299 in (3.299 mm)
    • 0.1339 in (3.401 mm)
    • 0.1378 in (3.5 mm)
    • 0.1417 in (3.599 mm)
    • 0.1457 in (3.701 mm)
    • 0.1575 in (4 mm)
    • 0.1969 in (5.001 mm)
    • 0.2008 in (5.1 mm)
    • 0.2165 in (5.499 mm)
    • 0.248 in (6.299 mm)
    • 1.2598 in (31.999 mm)
    • 125.1966 in (3179.994 mm)
Maximum DC Coil Voltage
    • 10 V
    • 100 V
    • 12 V
    • 14 V
    • 14.5 V
    • 15 V
    • 16 V
    • 20 V
    • 22 V
    • 24 V
    • 28 V
    • 3 V
    • 30 V
    • 31 V
    • 44 V
    • 46 V
    • 5 V
    • 6 V
    • 6.5 V
    • 7 V
    • 7.5 V
Maximum Operating Frequency
    • 500 Hz
    • 7000 MHz
Maximum Contact AC Power Rating (R Load)
    • 10VA@200VAC
Contact or Output Supply Type
    • AC/DC
    • DC
Reset All
Part RoHS Manufacturer Relay Type Mounting Feature Relay Action Relay Function Coil or Input Supply Type Reference Standard Maximum Contact AC Rating (R Load) Dielectric Strength Between Open Contacts Relay Form Operate Time Electrical Life Maximum Contact DC Power Rating (R Load) Release Time Insulation Resistance Coil Power (mW) Packing Method Body Length/Diameter Body Width Coil Resistance Sealing Weight No. of Terminals Physical Dimension End Contact Plating Body Height Dielectric Strength Between Coil & Contacts Maximum Contact DC Rating (R Load) Maximum Operating Temperature Maximum AC Contact Current Maximum DC Coil Current Maximum AC Coil Voltage Minimum Operating Temperature DC Coil Release Voltage Terminal Finish Maximum DC Contact Current Termination Type Nominal Coil Voltage DC Coil Operate Voltage Manufacturer Series Contact Resistance Input Switching Control Type End Contact Material PCB Hole Count Maximum DC Contact Voltage Additional Features Maximum AC Contact Voltage JESD-609 Code Terminal Length Maximum DC Coil Voltage Maximum Operating Frequency Maximum Contact AC Power Rating (R Load) Contact or Output Supply Type

HE721C0510

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

250 Vrms

1 Form C

3 ms

3 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

25 mA

-40 °C (-40 °F)

500 mV

250 mA

Solder

5 V

3.75 V

200 mΩ

Random

8

175 V

Coil Suppression Diode

0.1181 in (3 mm)

14 V

DC

HE3621A0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

50 mW

0.776 in (19.7 mm)

5.65 in (143.51 mm)

500 Ω

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

200 V

0.1181 in (3 mm)

14 V

DC

HE3621A1200

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

144 mW

0.776 in (19.7 mm)

5.65 in (143.51 mm)

1 kΩ

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

200 V

0.1181 in (3 mm)

22 V

DC

HE721A1200

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@140VAC

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

144 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

1 kΩ

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

350 mA

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

4

200 V

140 V

0.1181 in (3 mm)

31 V

AC/DC

HE3621-A-12-10

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

UL

500 µs

500 µs

144 mW

0.75 in (19.05 mm)

5.08 in (129.032 mm)

1 kΩ

Hermetically Sealed

0.75 x 0.2 x 0.3 in (19.05 x 5.08 x 7.62 mm)

0.3 in (7.62 mm)

0.5A@200VDC

12 mA

1 V

500 mA

Solder

8 V

200 V

With Coil Suppressed Diode

12 V

DC

HE721C0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

0.18A@120VAC

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

180 mA

25 mA

-40 °C (-40 °F)

500 mV

250 mA

Solder

5 V

3.75 V

200 mΩ

Random

4

175 V

120 V

0.1181 in (3 mm)

14 V

AC/DC

HE721A0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@140VAC

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

50 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

350 mA

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

4

200 V

140 V

0.1181 in (3 mm)

12 V

AC/DC

HE3621A1250

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@140VAC

1 Form A

1 ms

1 ms

10 GΩ

144 mW

Bulk

0.776 in (19.7 mm)

5.65 in (143.51 mm)

1 kΩ

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

350 mA

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

200 V

140 V

0.1181 in (3 mm)

22 V

AC/DC

HE3621A2400

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

264 mW

0.776 in (19.7 mm)

5.65 in (143.51 mm)

2.15 kΩ

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

200 V

0.1181 in (3 mm)

31 V

DC

HE721A0510

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

50 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

4

200 V

Coil Suppression Diode

0.1181 in (3 mm)

12 V

DC

HE721C1210

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

250 Vrms

1 Form C

3 ms

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

8

175 V

Coil Suppression Diode

0.1181 in (3 mm)

22 V

DC

HE721C2400

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

0.18A@120VAC

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2 kΩ

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

180 mA

12 mA

-40 °C (-40 °F)

2 V

250 mA

Solder

24 V

16 V

200 mΩ

Random

4

175 V

120 V

0.1181 in (3 mm)

44 V

AC/DC

HE721A2410

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

1 ms

10 GΩ

264 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2.15 kΩ

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

8

200 V

Coil Suppression Diode

0.1181 in (3 mm)

46 V

DC

HE722A0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

0.35A@140VAC

250 Vrms

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

350 mA

25 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

8

200 V

140 V

0.1181 in (3 mm)

12 V

AC/DC

HE721C2410

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2 kΩ

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

2 V

250 mA

Solder

24 V

16 V

200 mΩ

Random

8

175 V

Coil Suppression Diode

0.1181 in (3 mm)

44 V

DC

HE721A1210

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

1 ms

10 GΩ

144 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

1 kΩ

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

200 V

Coil Suppression Diode

0.1181 in (3 mm)

31 V

DC

HE721C0530

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

0.25A@175VDC

85 °C (185 °F)

25 mA

-40 °C (-40 °F)

500 mV

250 mA

Solder

5 V

3.75 V

200 mΩ

Random

8

175 V

With Diode, Shielded

0.1181 in (3 mm)

14 V

DC

HE721C1200

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

0.18A@120VAC

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

180 mA

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

4

175 V

120 V

0.1181 in (3 mm)

22 V

AC/DC

HE722A1210

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

250 Vrms

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

200 V

Coil Suppression Diode

0.1181 in (3 mm)

22 V

DC

HE722A2400

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

0.35A@140VAC

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

264 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2.15 kΩ

Hermetically Sealed

8

0.217 in (5.5 mm)

0.5A@200VDC

85 °C (185 °F)

350 mA

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

8

200 V

140 V

0.1181 in (3 mm)

46 V

AC/DC

HE751A0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@265VAC

1 Form A

1 ms

10W@300VDC

1 ms

10 GΩ

50 mW

Bulk

7.929 in (201.4 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

4

0.217 in (5.5 mm)

0.5A@300VDC

85 °C (185 °F)

350 mA

10 mA

-20 °C (-4 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

8

300 V

265 V

0.1181 in (3 mm)

12 V

AC/DC

HE751A1210

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

10W@300VDC

1 ms

10 GΩ

144 mW

Bulk

0.793 in (20.14 mm)

7.22 in (183.388 mm)

1 kΩ

Hermetically Sealed

4

0.793 x 0.284 x 0.217 in (20.14 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

0.5A@300VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

300 V

Coil Suppression Diode

0.1181 in (3 mm)

31 V

DC

HE72-2-A-12-20

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

2 Form A

1 ms

1 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

0.5A@200VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

200 V

Shielded

0.1181 in (3 mm)

22 V

DC

HE3671A2440

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

264 mW

0.776 in (19.7 mm)

5.65 in (143.51 mm)

2.15 kΩ

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

100 mΩ

Random

200 V

Shielded

0.1181 in (3 mm)

31 V

DC

HE72-1-A-05-40

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

50 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.5A@200VDC

85 °C (185 °F)

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

200 V

Shielded

0.1181 in (3 mm)

12 V

DC

HE72-2-A-05-20

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

2 Form A

1 ms

1 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

0.5A@200VDC

85 °C (185 °F)

25 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

200 V

Shielded

0.1181 in (3 mm)

12 V

DC

HE721E1220

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

4

175 V

0.1181 in (3 mm)

22 V

DC

HE721B0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@140VAC

250 Vrms

1 Form B

1 ms

10W@200VDC

1 ms

10 GΩ

50 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

350 mA

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

4

200 V

140 V

0.1181 in (3 mm)

6.5 V

AC/DC

HE424C0583

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

4PDT

3 ms

3 ms

Hermetically Sealed

0.25A@175VDC

85 °C (185 °F)

-40 °C (-40 °F)

250 mA

Solder

HE400

175 V

5 V

DC

HE72-1-C-24-20

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2 kΩ

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

0.25A@175VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

2 V

250 mA

Solder

24 V

16 V

200 mΩ

Random

175 V

Shielded

0.1181 in (3 mm)

44 V

DC

HE72-1-A-12-40

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

144 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

1 kΩ

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.5A@200VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

200 V

Shielded

0.1181 in (3 mm)

31 V

DC

HE721C1250

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

4

175 V

0.1181 in (3 mm)

22 V

DC

HE721A2430

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

264 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2.15 kΩ

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

4

200 V

0.1181 in (3 mm)

46 V

DC

HE721E0500

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

0.18A@120VAC

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

200 Ω

Hermetically Sealed

8

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

180 mA

25 mA

-40 °C (-40 °F)

500 mV

250 mA

Solder

5 V

3.75 V

200 mΩ

Random

4

175 V

120 V

0.1181 in (3 mm)

14 V

AC/DC

HE3671A1200

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

144 mW

0.776 in (19.7 mm)

5.65 in (143.51 mm)

1 kΩ

Hermetically Sealed

4

0.776 x 0.222 x 0.31 in (19.7 x 5.65 x 7.87 mm)

0.31 in (7.87 mm)

0.5A@200VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

100 mΩ

Random

200 V

0.1181 in (3 mm)

22 V

DC

HE721R2400

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

0.18A@120VAC

1 Form C

3 ms

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

2 kΩ

Hermetically Sealed

8

0.217 in (5.5 mm)

0.25A@175VDC

85 °C (185 °F)

180 mA

12 mA

-40 °C (-40 °F)

2 V

250 mA

Solder

24 V

16 V

200 mΩ

Random

175 V

120 V

0.1181 in (3 mm)

44 V

AC/DC

HE721A2440

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

264 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

2.15 kΩ

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

4

200 V

0.1181 in (3 mm)

46 V

DC

HE722A2450

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

250 Vrms

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

264 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

2.15 kΩ

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

11 mA

-40 °C (-40 °F)

2 V

500 mA

Solder

24 V

16 V

150 mΩ

Random

8

200 V

0.1181 in (3 mm)

46 V

DC

HE72-1-A-12-50

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

1 Form A

1 ms

1 ms

10 GΩ

144 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

1 kΩ

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.5A@200VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

200 V

0.1181 in (3 mm)

31 V

DC

HE72-1-C-24-50

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

2 kΩ

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.25A@175VDC

85 °C (185 °F)

12 mA

-40 °C (-40 °F)

2 V

250 mA

Solder

24 V

16 V

200 mΩ

Random

175 V

With Diode, Shielded

0.1181 in (3 mm)

44 V

DC

HE751A1200

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

0.35A@265VAC

1 Form A

1 ms

10W@300VDC

1 ms

10 GΩ

144 mW

Bulk

7.929 in (201.4 mm)

7.22 in (183.388 mm)

1 kΩ

Hermetically Sealed

4

0.217 in (5.5 mm)

0.5A@300VDC

85 °C (185 °F)

350 mA

12 mA

-20 °C (-4 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

300 V

265 V

0.1181 in (3 mm)

31 V

AC/DC

HE722A1230

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

250 Vrms

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

200 V

0.1181 in (3 mm)

22 V

DC

HE721C1230

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

1 GΩ

288 mW

Bulk

0.793 in (20.14 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

4

0.793 x 0.3 x 0.229 in (20.14 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

9 V

HE700

200 mΩ

Random

4

175 V

RoHS Compliant

0.1181 in (3 mm)

12 V

HE721C1220

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

200 Vrms

1 Form C

3 ms

5W@175VDC

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.22 in (183.388 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.284 x 0.217 in (19.05 x 7.22 x 5.5 mm)

0.217 in (5.5 mm)

500 Vrms

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

4

175 V

0.1181 in (3 mm)

22 V

DC

HE72-1-C-12-40

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.25A@175VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

250 mA

Solder

12 V

8 V

200 mΩ

Random

175 V

Shielded

0.1181 in (3 mm)

22 V

DC

HE721A0550

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

50 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

10 mA

-40 °C (-40 °F)

500 mV

500 mA

Solder

5 V

3.75 V

150 mΩ

Random

4

200 V

0.1181 in (3 mm)

12 V

DC

HE72-1-C-05-50

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

125 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

200 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

0.25A@175VDC

85 °C (185 °F)

25 mA

-40 °C (-40 °F)

500 mV

250 mA

Solder

5 V

3.75 V

200 mΩ

Random

175 V

With Diode, Shielded

0.1181 in (3 mm)

14 V

DC

HE722A1250

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

DPST

DC

CUL; UL

250 Vrms

2 Form A

1 ms

10W@200VDC

1 ms

10 GΩ

288 mW

Bulk

0.75 in (19.05 mm)

7.62 in (193.548 mm)

500 Ω

Hermetically Sealed

8

0.75 x 0.3 x 0.229 in (19.05 x 7.62 x 5.82 mm)

0.229 in (5.82 mm)

500 Vrms

0.5A@200VDC

85 °C (185 °F)

24 mA

-40 °C (-40 °F)

1 V

500 mA

Solder

12 V

8 V

150 mΩ

Random

8

200 V

0.1181 in (3 mm)

22 V

DC
Reed Relays

Reed relays are a type of electromechanical switch that are used in a variety of electronic applications. They are named after the metal reed contacts that are used to make and break the electrical connection. The reed contacts are sealed in a glass envelope that is filled with an inert gas, usually nitrogen or a vacuum, to prevent oxidation and ensure long-term reliability.

One of the main advantages of reed relays is their fast switching speed, typically in the range of a few milliseconds. They are also capable of switching low-level signals with high accuracy and low contact resistance, making them ideal for use in high-frequency and low-level signal applications. Additionally, they have a long life span and are able to withstand shock and vibration, making them suitable for use in harsh environments.

Reed relays are commonly used in applications such as test and measurement equipment, medical devices, telecommunications, and industrial control systems. They can be designed to switch both AC and DC signals, and can handle a range of voltages and currents depending on the specific application. They are available in a variety of sizes and configurations, including single-pole, double-pole, and latching types, and can be mounted on printed circuit boards or in sockets for easy replacement.