Thyristors are a class of four-layer (PNPN) semiconductor devices that act as switches, rectifiers, or voltage regulators. Search by Specification | Learn More

Thyristor surge suppressors are semiconductor chips used to protect circuits and devices from over-voltage and over-current. Search by Specification | Learn More

Gate turn-off thyristors (GTOs) are four-layer PNPN devices that act as switches, rectifiers, and voltage regulators. Search by Specification | Learn More

Specialty thyristors are specialty or proprietary products and accessories related to thyristors. Learn More

Quadracs are a special type of thyristor which combines a diac and a triac in a single package. Search by Specification | Learn More

Silicon controlled rectifiers (SCR) are four-layer (PNPN) thyristors with three terminals: an input control terminal (gate), an output terminal (anode), and a terminal common to both the input and output (cathode). Search by Specification | Learn More

Programmable uni-junction transistors (PUT) are three-terminal thyristors that are triggered into conduction when the voltage at the anode exceeds the voltage at the gate. Search by Specification | Learn More