WAnalogue switch
WDIAC
WGate turn-off thyristor
WHolding current (electronics)
WInsulated-gate bipolar transistor
WIntegrated gate-commutated thyristor
WMOS-controlled thyristor
WMOSFET
WMOSFET applications
WOpto-isolator
WPower MOSFET
WResistive opto-isolator
WShockley diode
WSilicon controlled rectifier
WSolid-state relay
WThyristor
WTRIAC