That is dependent on manufacture, package style, power requirements.pinouts for scr/triacs standardized?







That is dependent on manufacture, package style, power requirements.
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SCR’s conduct current in One Direction
Triac’s conduct current in two directions or bidirectional.
They are both members of the “Thyristor” family.
You have to obtain a data sheet for a particular component numerical description printed on the device by the manufacturer, that will tell you everything about the characteristics of the component itself.
thanks guys.Correct !