Quote:
Originally Posted by Turtle
While they call S1 a "silicon power cube", the diagrammatic symbol is that of a transistor.
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Actually the symbol is of an SCR or thyristor, a device that latches in the "On" or current passing state until the current through the device is interrupted by some other device or the source voltage drains to the point that the current drops low enough for the device to unlatch. See
The Silicon-Controlled Rectifier (SCR) : THYRISTORS for more info.
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Clay
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