7.7 Optothyristors

7.7 Optothyristors

Like bipolar transistors, SCRs and TRIACs are also manufactured as light-sensitive devices, the action of impinging...
7.6 The TRIAC

7.6 The TRIAC

SCRs are unidirectional (one-way) current devices, making them useful for controlling DC only. If two SCRs are joined...
7.4 The DIAC

7.4 The DIAC

Like all diodes, Shockley diodes are unidirectional devices; that is, these only conduct current in one direction. If...
7.1 Hysteresis

7.1 Hysteresis

Thyristors are a class of semiconductor components exhibiting hysteresis, that property whereby a system fails to...