alfmx
I have a circuit sense the AC input line voltage, it use a two Zener in series to give dual polarity +/-12v. the Zeners are 1N5242B (ZENER 12V/1/2W)
the problem is always is damage (short circuit)a zener diode. i don nt find is wrong.
Also I don´t know how tu up the circuit diagram
the problem is always is damage (short circuit)a zener diode. i don nt find is wrong.
Also I don´t know how tu up the circuit diagram