This document describes a micro automotive plug-in/PCB power relay with features such as micro size, 20A continuous current capacity, plastic cover for protection in rough environments, etc. The product is suitable for automotive applications such as stationary heating, head lights, fog lights, etc.
The HG4182 is a micro‑size plug‑in PCB power relay designed for automotive applications such as blower motor control, ventilation, headlights, fog lights and radiator cooling fans. It features a 20 A continuous current capacity, a plastic cover for rough environments, and a compact form factor suitable for PCB mounting.
The datasheet lists detailed electrical and mechanical specifications, including coil voltage options, contact forms, operating times, insulation resistance, temperature limits, and mechanical dimensions. Reference curves, wiring diagrams and ordering designations are also provided to aid selection and integration.
| Continuous Current | 20 A |
|---|---|
| Operate Time | 9 ms (typical) |
| Release Time | 7 ms (typical) |
| Insulation Resistance | 100 MΩ at 500 VDC |
| Dielectric Strength | 500 Vrms for 1 min |
| Shock Resistance | 20 g, 11 ms |
| Operating Temperature Range | -40 °C to 125 °C |
| Storage Temperature Range | -40 °C to 155 °C |
| Weight (Plug‑In) | 14 g |
| Power Consumption (unsuppressed) | 1.6 W |
The HG4182 can carry a continuous current of 20 A.
It operates from –40 °C up to 125 °C, and can be stored from –40 °C to 155 °C.
Typical operate time is 9 ms and release time is 7 ms.
The relay can withstand a shock of 20 g for 11 ms.