| Brand | Unbranded |
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Check the listing for details. Custom Electronic Component Tester And Signal Generator Zif Socket-Triac/NPN/PNP. Condition: For parts or not working. Listed at 30.00 USD. • Switches labeled “NPN/PNP,” “TRIAC,” “COMPONENT TESTER” confirm transistor and TRIAC testing modes. Custom Electronic Component Tester & Signal Generator – ZIF Socket – TRIAC / NPN / PNP – Untested.