Description
HGSR05-1C Mercury Wetted Reed Relay for engineering selection. Coil 5 VDC. 1 Form C contact. 500V ACpeak/DC switching. 100 W rating. Values are organized from the professional datasheet for engineering pre-selection. Confirm final switching load, insulation and footprint before order.

Technical specifications
| Nominal coil voltage | 5 VDC |
|---|---|
| Max Operating voltage | 7.0 VDC |
| Max Pull-in voltage | 4.0 VDC |
| Min Drop-out voltage | 0.5 VDC |
| Coil Resistance | 125 ohm |
| Min Breakdown Voltage | 2K VDC min |
| Contact Form | 1 Form C |
| Max Contact Rating | 100 W |
| Max Switch Voltage | 500V ACpeak/DC |
| Max Switch Current | 2.0 A |
| Max Carrying Current | 5.0 A |
| Max Contact Resistance | 30 mohm (static max) |
| Breakdown Voltage | 2K VDC min |
| Dielectric Strength Contact/Coil | 2K VDC min |
| Insulation Resistance Contact/Contact | 10^9 Ω min (RH<45%, 100V) |
| Insulation Resistance Contact/Coil | 10^9 Ω min (RH<45%, 100V) |
| Operate Time (no bounce) | 1.25ms max |
| Reset Time | 1.25ms max |
| Capacitance between open contacts | 4.0pF max |
| Capacitance contacts to coil | 10.0pF max |
| Life Expectancy | 2000×10^6 cycles (at 1.0V 10mA) |
| Storage Temperature | -20~+105℃ |
| Operating Temperature | -20~+85℃ |
Selection notes
- Separate switching voltage from dielectric/breakdown withstand voltage.
- Check contact form, coil drive and PCB/package outline before design-in.
- For HRM modules, confirm terminal wiring and panel/cabinet installation requirements.




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