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  • Users: frantal
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  1. frantal

    Insulated 230 V AC Power supply & Variac

    I have built a project of a insulated Power Supply 230V AC followed by a Variac. I would add a circuit to obtain DC output. The voltmeter I bought has only 3 poles: one + = power supply, one = to test the voltage and common negative. Could I connect all as I show in the schematic attached...
  2. frantal

    Diode marking code. Need help

    I am repairing a 220VAC/5VDC power supply for a router. I am looking for to identify a through-hole diode with marking code 2 18 (printed in two rows: first row 2, second row 18) that I marked with a ? on the photo attached. On this photo you can see the diode at the upper left corner and the...

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