High-performance power relay featuring a 21VDC coil voltage and 8A contact current rating. This electromechanical relay offers a DPST-NO/DPST-NC throw configuration with a 250VAC contact voltage rating. Constructed with tin and silver contact material, it operates within a temperature range of -25°C to 70°C and mounts via through-hole PCB termination. The relay boasts a 551Ω coil resistance and 800mW coil power, with a coil current of 38.113A.
TE Connectivity SR4D4021 technical specifications.
| Coil Current | 38.113A |
| Coil Power | 800mW |
| Coil Resistance | 551R |
| Coil Type | Non-Latching |
| Coil Voltage (DC) | 21V |
| Contact Current Rating | 8A |
| Contact Material | Tin, Silver |
| Contact Voltage Rating (AC) | 250V |
| Current Rating | 8A |
| Depth | 13mm |
| ELV | Compliant |
| Height | 16.5mm |
| Length | 1.575inch |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | -25°C |
| Mount | Through Hole, PCB |
| Packaging | Rail/Tube |
| Relay Type | Safety RELAY |
| RoHS Compliant | Yes |
| Series | SR4, SCHRACK |
| Termination | PCB |
| Throw Configuration | 4PST, DPST |
| Weight | 30g |
| Width | 0.512inch |
| RoHS | Compliant |
No datasheet is available for this part.
