HG4185A/B/C Automotive Plug-In / PCB Power Relay has 30A to 80A continuous current capacity, Automotive-oriented design, fully standardized QC size and layout, Plastic cover for rough environment protection
This document provides technical specifications for the HGC HG4185A, HG4185B, and HG4185C series of automotive plug-in and PCB power relays. The relays are designed for rough environments and feature standardized QC sizes with plastic covers. They are suitable for various automotive applications including head lights, fog lamps, blower motor control, and ABS systems.
The datasheet details contact data, coil voltage options, and mechanical characteristics such as operate and release times. It also includes ordering designation guides for different mounting versions (Plug-In, PCB, Molded Bracket) and contact forms (Form A, Form C), along with overall dimensions and wiring diagrams.
| Continuous Current Capacity | 30A to 80A |
|---|---|
| Material (HG4185A) | AgNi |
| Material (HG4185B) | AgCdO |
| Material (HG4185C) | AgSnOInO |
| Initial Contact Resistance | 100 mΩ max. |
| Operate Time | 7 ms typical |
| Release Time | 2 ms typical |
| Ambient Temperature (Operating) | -40°C to 125°C |
| Weight | 35g approx. |
Typical applications include head lights, fog lamps, signal horns, blower motor control, starter relays, radiator cooling fans, power windows, ABS systems, and start bypass relays.
The HG4185C model has a maximum continuous current of 80A (NO80A/NC60A).