H10CD4890 Crydom - Relays

H10CD4890 Description

The H10CD4890 from Crydom is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the H10CD4890, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Crydom H10CD4890 is used for switching AC loads in industrial heating and temperature control (ovens, furnaces, plastic molding and extrusion machines), packaging and food processing equipment, lighting control, HVAC systems and industrial automation.

Key Specifications

Crydom H10CD4890 is a 90 A Series 1-HV panel-mount solid state relay (IC driven, without snubber, 1000 V blocking), SCR output, 48-660 VAC, DC control 4-8 VDC, zero voltage turn-on. Source: Crydom Series 1 High Voltage bulletin 802 (IC driven models). Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	48-660 Vrms
Maximum load current	90 Arms
Minimum load current	40 mA
Transient overvoltage	1000 Vpk
Maximum surge current (16.6 ms, non-repetitive)	1200 Apk
Maximum over current (1 s, non-repetitive)	180 Arms
Maximum on-state voltage drop @ rated current	1.6 Vpk
Maximum I²t for fusing (8.3 ms)	4150 A²s
Thermal resistance junction to case (Rjc)	0.31 °C/W
Power dissipation @ maximum current	118 W
Maximum zero voltage turn-on	10 Vpk
Maximum off-state leakage @ rated voltage	1 mA
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	4-8 VDC
Maximum turn-on / minimum turn-off voltage	4 / 1 VDC
Maximum input current	18 mA @ 5 VDC
Minimum input impedance	250 Ohm
Maximum turn-on / turn-off time (60 Hz)	8.3 ms / 8.3 ms
General
Dielectric strength	4000 Vrms
Ambient operating temperature	-30 to 80°C
Weight	5 oz max

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