This circuit was obtained from a 1967 General Electric manual. The circuit uses components of the time, but equivalents can be used, for example, a BC547 for the transistor and a TIC106 for the SCR.
This circuit is from a1970 documentation. R1 may have 10k and P1 47k. The transistors can be BC558...
This series sensor circuit is from 1995 Popular Electronics. The circuit can use any SCR and the...
January 2017 - Mouser Electronics already has to supply the INA240 evaluation modules for current...