This circuit uses an optocoupler with a phototriac or optotriac to drive an external triac. The circuit is from a Radio Electronics magazine from December 1989.
In the figure we have the way to implement a 5 to 45 V zener diode with 50 mA of maximum current...
July 2017 - The new Schottky rectifiers from Diodes Incorporated with 5 to 40 A currents and 100...
Found in General Electric documentation from the 1980s, this circuit generates signals that depend...