ASO242 Crydom - Relays

ASO242 Description

The ASO242 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.

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Summary of Features

Target Applications

Crydom ASO242 is used for PCB-level switching of small AC loads such as solenoids, valves, small heaters, fans and lamps in control boards, appliances, HVAC controls and industrial electronics.

Key Specifications

Crydom ASO242 is a 2.0 A mini-SIP PCB-mount solid state relay (ASO Series), SCR output 12-280 VAC, DC control 4-10 VDC, zero-crossing turn-on. Source: Crydom ASO Series datasheet. Values at 25°C unless noted.

Parameter	Value
Output
Operating voltage (47-63 Hz)	12-280 Vrms
Maximum load current	2.0 Arms
Minimum load current	0.06 Arms
Transient overvoltage	600 Vpk
Maximum surge current (16.6 ms)	120 Apk
Maximum on-state voltage drop @ rated current	1.5 Vpk
Maximum off-state leakage @ rated voltage	0.1 mArms
Minimum off-state dv/dt	500 V/µs
Input
Control voltage range	4-10 VDC
Must turn-on / turn-off voltage	4.0 / 1.0 VDC
Typical input current @ 5 VDC	15 mA
Nominal input impedance	300 Ohm
Maximum turn-on / turn-off time	1/2 cycle / 1/2 cycle
General
Dielectric strength, input/output/base	2500 Vrms
Ambient operating temperature	-30 to 80°C
Weight (typical)	0.15 oz (4.3 g)

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