The circuit is from a Radio Electronics magazine from October 1987. The Triac must be equipped with a heatsink and the transistors are general purpose.
This circuit was found in an American 1980s documentation. The components are current but most...
The circuit shown in the figure is based on the ST Microelectronics TDEO0160 (www.st.com) and...
Unlike the previous circuit, this circuit from Electronics Now, October 1993, has the load...