We found this circuit in a 1968 US documentation. The power FET is a component of the time and the current is 4.5 mA only.
ON Semiconductor NTMJS1D5N04C 40V Industrial MOSFET Available from Mouser Electronics, these ON...
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The transistor can be...
This circuit is like the previous one except that it can be triggered electronically. The circuit is...