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.
Depends on the exact type of suppressor, but generally it's to guard against transients. In other words, if there is a sudden high voltage spike on the circuit the suppressor will appear as a dead short to ground preventing the voltage from showing up at the circuit and destroying it instead. A Voltage supressor can be as simple as a properly valued capacitor or an active device such as a diac. Generally they're meant to survive the brief pulse that they gobble up, sometimes they're used to trip fuse.
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