Original poster: "Chip Ford" <chipford@xxxxxxxxxxxxxx> I am just learning about this electronic stuff so, Can someone please tell me if a SCR has states other then on and off. Can you vary the amount of power passed thru them. I was thinking (probably wrong again), that they either pass electrons or they don't. Thanks in advance.. Chip
Chip, The SCR has only two useful states. The gate turns the device on so it conducts. Once it's on, it can't be turned off until the anode voltage is removed (lowered below a certain voltage).John