Solid State Relay Required Only 50uA Drive Current

Posted on Feb 5, 2014

This circuit demands a control current that is 100 times smaller than that needed by a typical optically isolated solid state relays. It is ideal for battery-powered systems. Using a combination of a high current TRIAC and a very sensitive low current SCR, the circuit can control about 600 watts of power to load while providing full isolation and

Solid State Relay Required Only 50uA Drive Current
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transient protection.

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