Description
HV1A24D
SIP Package 4KV High Voltage Reed Relay, 24V Coil with Flyback diode
The HV1A24D is a high-voltage reed relay in an industry-standard SIP package for PCB through-hole mounting. It combines a 24 VDC coil with an integrated flyback diode and offers 4KVDC minimum breakdown voltage, making it suitable for high-voltage PCB designs in industrial electronics and power controls.
Key Specifications
| Package | SIP, PCB through-hole mounting |
| Contact form | 1 Form A |
| Nominal coil voltage | 24 VDC |
| Nominal coil current | 12 mA |
| Coil resistance | 2000Ω ±10% at 20°C |
| Max pull-in voltage | 17 VDC |
| Min drop-out voltage | 2.4 VDC |
| Coil option | Flyback diode |
| Max contact rating | 100 W |
| Max switching voltage | 1.5 KVDC |
| Max switching current | 1.0 A |
| Max carrying current | 2.5 A |
| Min breakdown voltage | 4 KVDC |
| Max contact resistance | 150 mΩ |
| Dielectric strength (min, static) | 4 KVDC open contacts / 4 KVDC contact to coil |
| Insulation resistance | 1×1012 Ω |
| Operate time (incl. bounce) | 1.0 ms |
| Reset time | 0.25 ms |
| Capacitance across open switch | 0.5 pF |
| Life expectancy | 5×108 operations (at 5VDC, 10mA) |
| Operating temperature | -40°C to +85°C |
| Storage temperature | -40°C to +105°C |
| Sealing | Fully sealed, washable |
Key Highlights
- Industry-standard SIP package, PCB through-hole mounting
- 4KV isolation voltage
- Integrated flyback diode for coil surge suppression
- Volume production compatible
Applications
- PCB-mounted high-voltage switching
- Industrial electronics
- Power controls
- Test and measurement instruments
Specifications per the SIP-HV1A24D series datasheet (SHR, Ver. 04, Jan 2025). Refer to the datasheet for outline dimensions and pin layout.





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