The circuit has the traditional configuration that can be found elsewhere on this site. This is from 80s documentation and the LM350 can be used for higher current.
This circuit uses components that are no longer easily found. The circuit is from a 1988...
Suitable for battery powered microcontrolled applications this Texas Instruments circuit from its...
June 2016 - It can be purchased from Mouser Electronics the new triacs Z04 for 4 A from...