In use telephone indicator (CB8665E)

This circuit was found in a 90s Electronics Now. The circuit can use a TIC106 for the SCR.

Simple AC Control with SCR (CB25065E)
This half-wave control was published in the September 1987 issue of Radio Electronics magazine. The...
Audible Thermometer (CB5017E)
This interesting multivibrator was found in an Italian magazine that no longer exists. This is...
ON Semiconductor NTMJS1D5N04C 40V Industrial MOSFET
ON Semiconductor NTMJS1D5N04C 40V Industrial MOSFET Available from Mouser Electronics, these ON...