The Triac trigger integrated circuit is not very common nowadays. The circuit was found in the Radio Electronics Experimenter magazine from 1989. The triac should be in accordance with the heater.
August 2017 - The new IXYS solid state relay CPC2907B from IXYS is currently in stock at Mouser...
This circuit was found in 1980s American documentation. The transducer is a piezoelectric capsule and the...
Using this circuit a low current switch can be used in the control of heavy duty loads, powered...