# Automotive Plug-In / PCB Power Relay HG4185A/B/C

## Features

️· Continuous current capacity: 30A to 80A
️· Automotive-oriented design
️· Standardized QC size and layout
️· Plastic cover for environmental protection

## Typical Applications

️· Head lights
️· Fog lamp
️· Signal horn
️· Blower motor control
️· Starter relay
️· Radiator cooling fan
️· Power window
️· ABS system
️· Start bypass relay

## Contact Data

HG4185A	HG4185B	HG4185C
Form	Form	Form
1 Form A (1H, 1HS)	1 Form A (1H, 1HS)	1 Form A (1H)
Max. S witching Current (Make)	120A	120A	240A
Max. S witching Current (Break)	40A	60A	80A
Material	AgNi10	AgCdO	AgS nOInO
Initial Contact Resistance	100 m~~Ω~~ max. at 0.1A, 6VDC	100 m~~Ω~~ max. at 0.1A, 6VDC	100 mΩ max. at 0.1A, 6VDC
Max. S witching Voltage	Curve 1 dependent	Curve 1 dependent	Curve 2 dependent
Max. Continuous Current	30A	60A	80A
Min. Load	0.1A, 12VDC	0.5A, 12VDC	0.5A, 12VDC
Mechanical Service Life	107 operations	107 operations	107 operations
Electrical Service Life	2 x 10^5 operations	2 x 10^5 operations	10^5 operations

## Coil Data

Voltage (VDC)	Resistance (Ω)	Must Operate Voltage (VDC)	Must Release Voltage (VDC)
6	22	3.6	10.1
12	90	7.2	20.5
24	330	14.3	39.1

## Characteristics

️· Operate Time: 7 ms typical
️· Release Time: 2 ms typical
️· Insulation Resistance: 100 MΩ at 500 VDC
️· Dielectric Strength: 500 Vrms
️· Shock Resistance: 20 g
️· Vibration Resistance: Specific frequencies and amplitudes listed
️· Drop Resistance: 1 M height drop
️· Ambient Temperature: -40ºC to 125ºC operating, -40ºC to 155ºC storage

## Ordering Designation

️· *: Available for HG4185A and HG4185B only

## Notes

️· Measurements taken at 23ºC.
️· Maximum make current refers to lamp load inrush.
️· Voltage reduced to 72% at 85ºC.
️· Electrical life based on specific load and frequency parameters.
️· Custom-made services available.
️· Specifications subject to change.