SMA4120 relay equivalent, solid state relay.
* High Blocking Voltage (600V MIN)
* High Load Current (0.5A MAX Continuous)
* Low Input Control Current (3mA TYP)
* Low On Resistance (4Ω TYP)
* High.
* Reed Relay Replacement
* Mechanical Relay Replacement
* Medical Equipment
* Battery Monitoring
* M.
The SMA4120 is a single-pole, single-throw, normally open multipurpose solid state relay. The circuit is composed of an infra-red LED on the input side optically coupled to a Photo Diode Array which drives back-to-back high voltage enhancement type D.
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