Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
A triac is a solid state device primarily designed to switch AC loads. Triacs have a leakage current associated with them. The load has to be larger than the leakage current. Triacs shut off at 0 V irregardless of gate current. Relays have inherent isolation. An SSR (Solid State Relay) can sometimes be a triac with isolation, although it is a generic term.
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