Reed Relays

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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

HI12-1A85

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

MBB

SPST

DC

1A@1000VAC

1 Form A

1.1 ms

100 µs

10000 GΩ

160 mW

Tray

1.102 in (28 mm)

7.5 in (190.5 mm)

900 Ω

4

1.102 x 0.295 x 0.311 in (28 x 7.5 x 7.9 mm)

Tin

0.311 in (7.9 mm)

1A@1000VDC

70 °C (158 °F)

1 A

13 mA

-20 °C (-4 °F)

1.8 V

1 A

Solder

12 V

8.4 V

150 mΩ

Random

Copper Alloy

1 KV

1 KV

0.1181 in (3 mm)

AC/DC

SIL05-1A72-71DHR

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

0.5A@200VAC

700 µs

1000000000 Cycle(s)

50 µs

25 mW

Tube

0.78 in (19.8 mm)

5.08 in (129.032 mm)

1.1 kΩ

Waterproof

0.78 x 0.2 x 0.307 in (19.8 x 5.08 x 7.8 mm)

0.307 in (7.8 mm)

0.5A@200VDC

500 mA

5 mA

750 mV

Tin

500 mA

Solder

3.5 V

200 V

200 V

e3

5 V

AC/DC

3303172171

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

UL

0.5A@200VAC

700 µs

50 µs

18 mW

Bulk

0.78 in (19.8 mm)

5.08 in (129.032 mm)

550 Ω

Waterproof

0.78 x 0.2 x 0.307 in (19.8 x 5.08 x 7.8 mm)

0.307 in (7.8 mm)

0.5A@200VDC

70 °C (158 °F)

500 mA

6 mA

-20 °C (-4 °F)

450 mV

Tin

500 mA

Solder

2.1 V

3303172171

200 V

200 V

e3

3 V

AC/DC

9001-12-00

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

MBB

SPST

DC

CSA; UL

0.5A@200VAC

1 Form A

350 µs

1000000000 Cycle(s)

100 µs

1000 GΩ

144 mW

0.76 in (19.3 mm)

5.08 in (129.032 mm)

1 kΩ

Hermetically Sealed

4

0.76 x 0.2 x 0.299 in (19.3 x 5.08 x 7.6 mm)

0.299 in (7.6 mm)

0.5A@200VDC

85 °C (185 °F)

500 mA

12 mA

-20 °C (-4 °F)

1 V

Matte Tin

500 mA

Solder

12 V

9 V

200 mΩ

Random

200 V

200 V

e3

0.1339 in (3.401 mm)

15 V

AC/DC

DAR72410U

Cynergy3 Components

Dry Reed Relay

Through Hole-Straight Mount

MBB

SPST

DC

CUL; UL

3A@1000VAC

1 Form A

3 ms

1000000 Cycle(s)

2 ms

10 GΩ

744 mW

2.362 in (60 mm)

15.8 in (401.32 mm)

780 Ω

4

2.362 x 0.622 x 0.728 in (60 x 15.8 x 18.5 mm)

0.728 in (18.5 mm)

3A@1000VDC

70 °C (158 °F)

3 A

31 mA

-20 °C (-4 °F)

4 V

3 A

Solder

24 V

20 V

50 mΩ

Random

Rhodium

1 KV

1 KV

0.1575 in (4 mm)

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

1393771-6

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPST

DC

CSA; UL

250 Vrms

1 Form A

1.5 ms

1000000 Cycle(s)

500 µs

10 GΩ

120 mW

Box; Tray

0.77 in (19.56 mm)

7.62 in (193.548 mm)

1.2 kΩ

Epoxy Terminal Sealed

2.3 g

0.77 x 0.3 x 0.315 in (19.56 x 7.62 x 8 mm)

0.315 in (8 mm)

500 Vrms

0.5A@100VDC

85 °C (185 °F)

500 mA

10 mA

-35 °C (-31 °F)

1 V

500 mA

Solder/Quick Connect

12 V

9.6 V

200 mΩ

Random

Ruthenium

20 V

With Suppression Diode

0.1299 in (3.299 mm)

12 V

DC

3-1393763-0

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

UL

0.25A@175VAC

200 Vrms

1 Form C

1.1 ms

50000000 Cycle(s)

1.6 ms

1000 GΩ

144 mW

Box; Tube

0.76 in (19.3 mm)

7 in (177.8 mm)

500 Ω

IP67

1.8 g

0.76 x 0.276 x 0.295 in (19.3 x 7 x 7.5 mm)

0.295 in (7.5 mm)

1.5 kVrms

0.25A@175VDC

85 °C (185 °F)

1.2 A

24 mA

28 V

-40 °C (-40 °F)

1.8 V

1.2 A

Solder/Quick Connect

8.4 V

Nickel Palladium

24 V

With Diode

175 V

28 V

AC/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

HE72-1-E-12-20

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)

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)

0.25A@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

HE721A1240

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

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)

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

4

200 V

0.1181 in (3 mm)

31 V

DC

HE721A1230

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

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

4

200 V

0.1181 in (3 mm)

31 V

DC

HE721B2410

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPST

DC

CUL; UL

250 Vrms

1 Form B

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

18 V

150 mΩ

Random

4

200 V

0.1181 in (3 mm)

28 V

DC

HE722A2440

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

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.