Fuse-like component that recovers after an overcurrent condition.

Protective component that opens when excessive current flows.

Relay using semiconductor switching rather than mechanical contacts.

Electrically controlled switch.

Component transferring signals electrically through light.

Silicon-controlled rectifier used for controlled power switching.

Bidirectional semiconductor switch for AC power.

Insulated-gate bipolar transistor used for power switching.

Metal-oxide-semiconductor field-effect transistor.

Junction field-effect transistor.