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 | AC Coil Release Voltage | Relay Form | AC Coil Operate Voltage | Operate Time | Maximum Contact AC Rating (M Load) | 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 | Maximum AC Coil Current | 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 | Maximum Contact AC Rating (I Load) | Minimum Operating Temperature | DC Coil Release Voltage | Terminal Finish | Maximum DC Contact Current | Termination Type | Maximum Contact AC Power Rating (M Load) | 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 | Minimum Operating Frequency | Terminal Length | Maximum DC Coil Voltage | Maximum Operating Frequency | Maximum Contact AC Power Rating (R Load) | Contact or Output Supply Type |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
40 A |
020405 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
40 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
50 A |
020405 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
70 A |
020405 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
40 A |
020405 |
24 V |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020405 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020405 |
24 V |
DC |
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|
Littelfuse |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
1 ms |
1 ms |
288 mW |
0.95 in (24.13 mm) |
7.62 in (193.548 mm) |
500 Ω |
Hermetically Sealed |
0.95 x 0.3 x 0.335 in (24.13 x 7.62 x 8.51 mm) |
0.335 in (8.51 mm) |
0.5A@300VDC |
85 °C (185 °F) |
24 mA |
-20 °C (-4 °F) |
1 V |
500 mA |
Solder |
9 V |
300 V |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
DC |
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|
Littelfuse |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
1 ms |
1 ms |
288 mW |
0.95 in (24.13 mm) |
7.62 in (193.548 mm) |
2 kΩ |
Hermetically Sealed |
0.95 x 0.3 x 0.335 in (24.13 x 7.62 x 8.51 mm) |
0.335 in (8.51 mm) |
0.5A@300VDC |
85 °C (185 °F) |
12 mA |
-20 °C (-4 °F) |
2 V |
500 mA |
Solder |
18 V |
300 V |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
50 A |
020405 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
30 A |
020407 |
12 V |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
50 A |
020405 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
50 A |
020405 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
10 A |
020406 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
40 A |
020407 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
70 A |
020405 |
12 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
20 A |
020407 |
24 V |
DC |
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Littelfuse |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
Bulk |
25 A |
020406 |
12 V |
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|
Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Latched |
SPST |
DC |
CSA; SEV; TUV; UL; VDE |
10A@250VAC |
15 ms |
100000 Cycle(s) |
15 ms |
280 mW |
0.787 in (20 mm) |
15 in (381 mm) |
129 Ω |
0.787 x 0.591 x 0.394 in (20 x 15 x 10 mm) |
0.394 in (10 mm) |
10A@125VDC |
70 °C (158 °F) |
10 A |
47 mA |
-25 °C (-13 °F) |
600 mV |
10 A |
Solder |
4.2 V |
125 V |
Socket Mountable |
250 V |
6 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Socket Mount |
Momentary |
SPST |
AC |
CSA; SEMKO; SEV; UL; VDE |
8A@380VAC |
15 ms |
100000 Cycle(s) |
10 ms |
900 mW |
1.142 in (29 mm) |
13 in (330.2 mm) |
4.6 kΩ |
20 g |
11 mA |
1.142 x 0.512 x 1.142 in (29 x 13 x 29 mm) |
1.142 in (29 mm) |
8A@125VDC |
70 °C (158 °F) |
8 A |
110 V |
-40 °C (-40 °F) |
8 A |
Snap-On |
125 V |
Coil Operate Voltage (AC): 88 V, Coil Release Voltage (AC): 33 V |
380 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
CSA; EN; SEV; TUV; UL |
8A@380VAC |
15 ms |
100000 Cycle(s) |
5 ms |
530 mW |
Tray |
1.142 in (29 mm) |
13.5 in (342.9 mm) |
68 Ω |
17 g |
1.142 x 0.531 x 1.004 in (29 x 13.5 x 25.5 mm) |
1.004 in (25.5 mm) |
8A@125VDC |
70 °C (158 °F) |
8 A |
88 mA |
-40 °C (-40 °F) |
900 mV |
8 A |
Solder |
4.2 V |
125 V |
380 V |
6 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Socket Mount |
Momentary |
SPST |
DC |
CSA; IEC; TUV; UL |
30 ms |
100000 Cycle(s) |
20 ms |
1.5 W |
1.358 in (34.5 mm) |
34.5 in (876.3 mm) |
32.2 kΩ |
1.358 x 1.358 x 1.732 in (34.5 x 34.5 x 44 mm) |
1.732 in (44 mm) |
10A@220VDC |
60 °C (140 °F) |
7 mA |
-40 °C (-40 °F) |
33 V |
10 A |
Snap-On |
176 V |
220 V |
220 V |
DC |
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|
Omron |
Power/Signal Relay |
Socket Mount |
Momentary |
SPST |
AC |
CSA; SEMKO; SEV; UL; VDE |
8A@380VAC |
15 ms |
100000 Cycle(s) |
10 ms |
900 mW |
1.142 in (29 mm) |
13 in (330.2 mm) |
65 Ω |
20 g |
93 mA |
1.142 x 0.512 x 1.142 in (29 x 13 x 29 mm) |
1.142 in (29 mm) |
8A@125VDC |
70 °C (158 °F) |
8 A |
12 V |
-40 °C (-40 °F) |
8 A |
Snap-On |
125 V |
Coil Operate Voltage (AC): 9.6 V, Coil Release Voltage (AC): 3.6 V, with LED Indicator |
380 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
AC |
CSA; TUV; UL |
30A@250VAC |
30 ms |
100000 Cycle(s) |
30 ms |
1.7 W |
2.067 in (52.5 mm) |
34.5 in (876.3 mm) |
34 mA |
2.067 x 1.358 x 2.165 in (52.5 x 34.5 x 55 mm) |
2.165 in (55 mm) |
60 °C (140 °F) |
30 A |
50 V |
-25 °C (-13 °F) |
Screw |
G7L |
Coil Operate Voltage (AC): 37.5 V, Coil Release Voltage (AC): 7.5 V |
250 V |
AC |
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|
Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
CSA; TUV; UL; VDE |
10A@250VAC |
10 ms |
100000 Cycle(s) |
5 ms |
400 mW |
0.886 in (22.5 mm) |
16.5 in (419.1 mm) |
200 Ω |
0.886 x 0.65 x 0.748 in (22.5 x 16.5 x 19 mm) |
0.748 in (19 mm) |
8A@125VDC |
85 °C (185 °F) |
10 A |
45 mA |
-25 °C (-13 °F) |
900 mV |
8 A |
Solder |
6.75 V |
125 V |
250 V |
9 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
CSA; UL; VDE |
5A@250VAC |
10 ms |
100000 Cycle(s) |
10 ms |
200 mW |
0.807 in (20.5 mm) |
7.2 in (182.88 mm) |
1.62 kΩ |
0.807 x 0.283 x 0.602 in (20.5 x 7.2 x 15.3 mm) |
0.602 in (15.3 mm) |
3A@30VDC |
70 °C (158 °F) |
5 A |
11 mA |
-40 °C (-40 °F) |
1.8 V |
3 A |
Solder |
13.5 V |
30 V |
250 V |
18 V |
AC/DC |
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Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
CSA; UL |
20A@250VAC |
20 ms |
20 ms |
1.2 W |
1.42 in (36.06 mm) |
32.51 in (825.754 mm) |
12.3 kΩ |
1.42 x 1.28 x 1.14 in (36.06 x 32.51 x 28.95 mm) |
1.14 in (28.95 mm) |
20A@125VDC |
55 °C (131 °F) |
20 A |
9 mA |
-10 °C (14 °F) |
11 V |
20 A |
Solder |
88 V |
G4B |
125 V |
Quick Connect Terminals also available |
250 V |
110 V |
AC/DC |
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Omron |
Power/Signal Relay |
Panel Mount |
Momentary |
SPST |
DC |
10A@16VAC |
25 ms |
100000 Cycle(s) |
20 ms |
1.44 W |
Box |
0.886 in (22.5 mm) |
15 in (381 mm) |
80 Ω |
0.886 x 0.591 x 0.984 in (22.5 x 15 x 25 mm) |
0.984 in (25 mm) |
10A@16VDC |
125 °C (257 °F) |
10 A |
150 mA |
-40 °C (-40 °F) |
700 mV |
10 A |
Snap-On |
7 V |
16 V |
16 V |
12 V |
AC/DC |
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|
Omron |
Power/Signal Relay |
Through Hole-Straight Mount |
Momentary |
SPST |
DC |
CSA; UL |
0.3A@125VAC |
750 Vrms |
1 Form A |
5 ms |
100000 Cycle(s) |
5 ms |
1 GΩ |
230 mW |
Tube |
0.417 in (10.6 mm) |
7 in (177.8 mm) |
2.504 kΩ |
600 mg |
4 |
0.417 x 0.276 x 0.161 in (10.6 x 7 x 4.1 mm) |
0.161 in (4.1 mm) |
1 kVrms |
1A@24VDC |
70 °C (158 °F) |
300 mA |
10 mA |
-40 °C (-40 °F) |
2.4 V |
1 A |
Solder |
24 V |
18 V |
100 mΩ |
Random |
Silver Alloy |
4 |
24 V |
125 V |
0.1378 in (3.5 mm) |
24 V |
AC/DC |
Power and signal relays are electromechanical switches that are used to control power circuits and signal circuits respectively. Power relays are designed to handle higher voltages and currents, typically in the range of several hundred volts and amperes. They are commonly used in industrial and automotive applications to switch on/off motors, heaters, lights, and other high-power loads. Signal relays, on the other hand, are designed to handle lower voltages and currents, typically in the range of several volts and milliamperes. They are commonly used in electronic equipment such as computers, telecommunications equipment, and consumer electronics to switch on/off signals, data, and low-power loads.
Power and signal relays come in different types and configurations depending on the specific application requirements. Some common types include electromechanical relays, reed relays, solid-state relays, and latching relays. Electromechanical relays use a mechanical switching mechanism, typically a set of contacts that move to make or break an electrical circuit. Reed relays use a set of magnetically activated contacts that are enclosed in a sealed glass tube. Solid-state relays use a semiconductor device to switch on/off the load. Latching relays use a magnetic field to hold the contacts in either the open or closed position, eliminating the need for continuous power to maintain the relay's state.
Power and signal relays play a critical role in the overall performance and reliability of electrical and electronic systems. The selection of the appropriate relay for a given application is crucial to ensure proper operation, safety, and longevity of the system. Factors to consider when selecting a relay include the load current and voltage, switching frequency, contact rating, switching speed, contact bounce, and environmental conditions such as temperature, humidity, and vibration. Proper maintenance and testing of relays are also important to ensure their continued performance and reliability over time.