SPDT Reed Relays 70

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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

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

9852-05-00

Coto Technology

Dry Reed Relay

Surface Mount-Straight

Momentary

SPDT

DC

0.1A@30VAC

200 Vrms

1 Form C

1 ms

100000000 Cycle(s)

1 ms

1 GΩ

225 mW

Tape and Reel

0.4 in (10.16 mm)

4.95 in (125.73 mm)

110 Ω

Hermetically Sealed

8

0.4 x 0.195 x 0.21 in (10.16 x 4.95 x 5.33 mm)

0.21 in (5.33 mm)

1 kVrms

0.1A@30VDC

85 °C (185 °F)

100 mA

45 mA

-20 °C (-4 °F)

400 mV

Gold

100 mA

Solder

5 V

3.8 V

Random

30 V

Shielded

30 V

e4

5 V

AC/DC

JWD-172-4

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

CSA; UL

175 Vrms

2 Form A

1.5 ms

1000000 Cycle(s)

3W@10VDC

3 ms

100 MΩ

878 mW

Box; Tray

0.799 in (20.3 mm)

7.62 in (193.548 mm)

2.2 kΩ

Epoxy Terminal Sealed

2.3 g

8

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@28VDC

85 °C (185 °F)

500 mA

11 mA

5 V

-35 °C (-31 °F)

2 V

500 mA

Solder/Quick Connect

24 V

19.2 V

200 mΩ

Random

Ruthenium

8

10 V

0.1299 in (3.299 mm)

24 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

9852-05-20

Coto Technology

Dry Reed Relay

Surface Mount-Straight

Momentary

SPDT

DC

0.1A@30VAC

200 Vrms

1 Form C

1 ms

100000000 Cycle(s)

1 ms

1 GΩ

225 mW

Tape and Reel

0.4 in (10.16 mm)

4.95 in (125.73 mm)

110 Ω

Hermetically Sealed

8

0.4 x 0.195 x 0.22 in (10.16 x 4.95 x 5.58 mm)

0.22 in (5.58 mm)

1 kVrms

0.1A@30VDC

85 °C (185 °F)

100 mA

45 mA

-20 °C (-4 °F)

400 mV

Gold

100 mA

Solder

5 V

3.8 V

Random

30 V

Shielded

30 V

e4

5 V

AC/DC

DIP12-1C90-51D

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.2A@100VAC

1 Form C

2 ms

100000000 Cycle(s)

2 ms

1 GΩ

115 mW

Tube

0.76 in (19.3 mm)

7 in (177.8 mm)

550 Ω

8

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

0.295 in (7.5 mm)

0.2A@100VDC

70 °C (158 °F)

200 mA

29 mA

-20 °C (-4 °F)

1.8 V

Tin

200 mA

Solder

12 V

8.4 V

200 mΩ

Random

100 V

With Diode

100 V

e3

0.126 in (3.2 mm)

16 V

AC/DC

2911-05-321

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

0.25A@150VAC

200 Vrms

1 Form C

1 ms

100000000 Cycle(s)

3W@150VDC

2 ms

100 GΩ

110 mW

0.82 in (20.82 mm)

6.35 in (161.29 mm)

230 Ω

Hermetically Sealed

8

0.82 x 0.25 x 0.28 in (20.82 x 6.35 x 7.11 mm)

0.28 in (7.11 mm)

1.5 kVrms

0.25A@150VDC

85 °C (185 °F)

250 mA

22 mA

-20 °C (-4 °F)

400 mV

Matte Tin

250 mA

Solder

5 V

3.8 V

Random

8

150 V

Shielded

150 V

e3

0.1063 in (2.7 mm)

5 V

AC/DC

2911-12-321

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

0.25A@150VAC

200 Vrms

1 Form C

1 ms

100000000 Cycle(s)

3W@150VDC

2 ms

100 GΩ

96 mW

0.82 in (20.82 mm)

6.35 in (161.29 mm)

1.5 kΩ

Hermetically Sealed

8

0.82 x 0.25 x 0.3 in (20.82 x 6.35 x 7.62 mm)

0.3 in (7.62 mm)

1.5 kVrms

0.25A@150VDC

85 °C (185 °F)

250 mA

8 mA

-20 °C (-4 °F)

1 V

Matte Tin

250 mA

Solder

12 V

9 V

Random

8

150 V

Electrostatic Shielded

150 V

e3

0.1063 in (2.7 mm)

12 V

AC/DC

8L41-05-111

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.25A@100VAC

200 Vrms

1 Form C

100 µs

100000000 Cycle(s)

3W@100VDC

100 µs

1 GΩ

125 mW

0.775 in (19.68 mm)

6.85 in (173.99 mm)

200 Ω

Hermetically Sealed

8

0.775 x 0.27 x 0.26 in (19.68 x 6.85 x 6.6 mm)

0.26 in (6.6 mm)

1.5 kVrms

0.25A@100VDC

85 °C (185 °F)

250 mA

25 mA

-20 °C (-4 °F)

500 mV

Matte Tin

250 mA

Solder

5 V

3.8 V

200 mΩ

Random

8

100 V

With Diode, Shielded

100 V

e3

0.1417 in (3.599 mm)

6.5 V

AC/DC

DIP05-1C90-51D

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.2A@100VAC

1 Form C

2 ms

100000000 Cycle(s)

2 ms

1 GΩ

125 mW

Tube

0.76 in (19.3 mm)

7 in (177.8 mm)

220 Ω

8

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

0.295 in (7.5 mm)

0.2A@100VDC

70 °C (158 °F)

200 mA

34 mA

-20 °C (-4 °F)

750 mV

Tin

200 mA

Solder

5 V

3.5 V

200 mΩ

Random

100 V

With Diode

100 V

e3

0.126 in (3.2 mm)

7.5 V

AC/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

DIP05-1C90-51L

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.2A@100VAC

1 Form C

2 ms

100000000 Cycle(s)

2 ms

1 GΩ

125 mW

Tube

0.76 in (19.3 mm)

6.4 in (162.56 mm)

220 Ω

8

0.76 x 0.252 x 0.201 in (19.3 x 6.4 x 5.1 mm)

0.201 in (5.1 mm)

0.2A@100VDC

70 °C (158 °F)

200 mA

34 mA

-20 °C (-4 °F)

750 mV

Tin

200 mA

Solder

5 V

3.5 V

200 mΩ

Random

100 V

Low Profile

100 V

e3

0.126 in (3.2 mm)

7.5 V

AC/DC

2-1393771-4

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

CSA; UL

175 Vrms

1 Form B

1.5 ms

1000000 Cycle(s)

3 ms

1000 GΩ

575 mW

Box; Tray

0.799 in (20.3 mm)

7.62 in (193.548 mm)

200 Ω

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@28VDC

85 °C (185 °F)

500 mA

30 mA

24 V

-35 °C (-31 °F)

500 mV

500 mA

Solder/Quick Connect

3.8 V

Ruthenium

10 V

With Suppression Diode

6 V

DC

DIP12-1C90-51L

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.2A@100VAC

1 Form C

2 ms

100000000 Cycle(s)

2 ms

1 GΩ

115 mW

Tube

0.76 in (19.3 mm)

6.4 in (162.56 mm)

550 Ω

8

0.76 x 0.252 x 0.201 in (19.3 x 6.4 x 5.1 mm)

0.201 in (5.1 mm)

0.2A@100VDC

70 °C (158 °F)

200 mA

29 mA

-20 °C (-4 °F)

1.8 V

Tin

200 mA

Solder

12 V

8.4 V

200 mΩ

Random

100 V

Low Profile

100 V

e3

0.126 in (3.2 mm)

16 V

AC/DC

2-1393763-3

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

UL

0.25A@175VAC

200 Vrms

1 Form A

1.1 ms

5000000 Cycle(s)

3W@175VDC

1.6 ms

1000 GΩ

70 mW

Box; Tube

0.76 in (19.3 mm)

7 in (177.8 mm)

200 Ω

IP67

1.8 g

8

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

25 mA

-40 °C (-40 °F)

750 mV

1.2 A

Solder/Quick Connect

5 V

3.5 V

150 mΩ

Random

Ruthenium

8

24 V

With Diode and Electrostatic Shield

175 V

0.126 in (3.2 mm)

5 V

2971-05-00

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

BBM

SPDT

DC

0.25A@150VAC

200 Vrms

1 Form C

1 ms

100000000 Cycle(s)

3W@150VDC

2 ms

10 GΩ

110 mW

0.82 in (20.82 mm)

6.35 in (161.29 mm)

230 Ω

Hermetically Sealed

8

0.82 x 0.25 x 0.3 in (20.82 x 6.35 x 7.62 mm)

0.3 in (7.62 mm)

1.5 kVrms

0.25A@150VDC

125 °C (257 °F)

250 mA

22 mA

-40 °C (-40 °F)

400 mV

Matte Tin

250 mA

Solder

5 V

2.5 V

200 mΩ

Random

8

150 V

Shielded

150 V

e3

0.1063 in (2.7 mm)

AC/DC

JWD-172-7

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

CSA; UL

175 Vrms

1 Form C

1.5 ms

1000000 Cycle(s)

3W@10VDC

3 ms

1 GΩ

64 mW

Box; Tray

0.799 in (20.3 mm)

6.6 in (167.64 mm)

500 Ω

Epoxy Terminal Sealed

2.3 g

8

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@28VDC

85 °C (185 °F)

500 mA

24 mA

12 V

-35 °C (-31 °F)

1 V

500 mA

Solder/Quick Connect

12 V

9.6 V

200 mΩ

Random

Nickel Titanium

8

10 V

With Suppression Diode

0.1299 in (3.299 mm)

12 V

DC

2-1393771-7

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

CSA; UL

175 Vrms

1 Form B

1.5 ms

1000000 Cycle(s)

3 ms

1000 GΩ

515 mW

Box; Tray

0.799 in (20.3 mm)

7.62 in (193.548 mm)

500 Ω

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@28VDC

85 °C (185 °F)

500 mA

24 mA

24 V

-35 °C (-31 °F)

1 V

500 mA

Solder/Quick Connect

9.6 V

Ruthenium

10 V

12 V

DC

3-1393763-4

TE Connectivity

Dry Reed Relay

Panel Mount

Momentary

SPDT

DC

UL

0.25A@175VAC

200 Vrms

2 Form C

1.1 ms

5000000 Cycle(s)

1.6 ms

10000 GΩ

120 mW

Box; Tube

0.76 in (19.3 mm)

7 in (177.8 mm)

2 kΩ

IP67

1.8 g

0.76 x 0.252 x 0.224 in (19.3 x 6.4 x 5.7 mm)

0.295 in (7.5 mm)

1.5 kVrms

0.25A@175VDC

85 °C (185 °F)

1.2 A

7 mA

28 V

-40 °C (-40 °F)

2.25 V

1.2 A

Solder/Quick Connect

10.5 V

Silver Nickel

24 V

175 V

28 V

AC/DC

DIP24-1C90-51L

Standex-Meder Electronics

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

UL

0.2A@100VAC

1 Form C

2 ms

100000000 Cycle(s)

2 ms

1 GΩ

290 mW

Tube

0.76 in (19.3 mm)

6.4 in (162.56 mm)

2.2 kΩ

8

0.76 x 0.252 x 0.201 in (19.3 x 6.4 x 5.1 mm)

0.201 in (5.1 mm)

0.2A@100VDC

70 °C (158 °F)

200 mA

14 mA

-20 °C (-4 °F)

3.6 V

Tin

200 mA

Solder

24 V

16.8 V

200 mΩ

Random

100 V

Low Profile

100 V

e3

0.126 in (3.2 mm)

30 V

AC/DC

2341-05-020

Coto Technology

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

0.5A@200VAC

250 Vrms

1 Form C

500 µs

500000000 Cycle(s)

10W@200VDC

500 µs

1000 GΩ

110 mW

0.81 in (20.57 mm)

5.33 in (135.382 mm)

230 Ω

Hermetically Sealed

8

0.81 x 0.21 x 0.37 in (20.57 x 5.33 x 9.4 mm)

0.37 in (9.4 mm)

1 kVrms

0.5A@200VDC

85 °C (185 °F)

500 mA

22 mA

-20 °C (-4 °F)

400 mV

Matte Tin

500 mA

Solder

5 V

3.8 V

Random

8

200 V

Shielded

200 V

e3

0.1339 in (3.401 mm)

5 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

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

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

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

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

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

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

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

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

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

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

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

HE721C2430

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

4

175 V

0.1181 in (3 mm)

44 V

DC

HE72-1-C-05-40

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

0.1181 in (3 mm)

14 V

DC

HE721E1200

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

HE72-1-E-24-30

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

968 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)

22 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

HE72-1-E-24-20

Littelfuse

Dry Reed Relay

Through Hole-Straight Mount

Momentary

SPDT

DC

CUL; UL

1 Form C

3 ms

3 ms

10 GΩ

968 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)

22 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

HE721E2430

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

4

175 V

0.1181 in (3 mm)

44 V

DC

HE721C2440

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)

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)

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

4

175 V

0.1181 in (3 mm)

44 V

DC

HE721C0520

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

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

4

175 V

0.1181 in (3 mm)

14 V

DC

HE721E2400

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

HE721C0550

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

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)

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

4

175 V

0.1181 in (3 mm)

14 V

DC

HE721C0540

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

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)

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

4

175 V

0.1181 in (3 mm)

14 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.