This circuit controls a heating element using a triac. Triac must be fitted with a heat sink. We find it in an American documentation from the 80s.
April 2017 - Already obtained at Mouser Electronicsthe new Molex miniDImm sockets according to...
Lamps in the range between 20 and 50 mA can be used. Voltage supply is according the lamp and...
We found this circuit in the May 1989 issue of Radio Electronics magazine. The circuit uses...