This circuit was found in a 1965 Radio Shack documentation. The transistors are from that time. The circuit can be implemented with current transistors and lower voltage supply.
This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit...
March 2017 - The integrated circuit division of IXYS is presented the integrated relay that makes...
September 2016 - It can be obtained from Mouser Electronics coils for inductive battery chargers...