Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be mounted on a heat sink. The transformer is 25 V with a current of 3 to 4 A.
Taiwan Semiconductor Dual N Channel MOSFET Taiwan semiconductor makes available through Mouser...
This circuit for incandescent lamps was found in a 70s documentation. The circuit uses an SCR...
June 2017 - Mouser Electronics already has Maxim's new nanoPower MAX4000 comparators in stock with an...