This circuit works like a solid-state contactor. We find it in General Electric documentation from 1965. SCRs can be modern equivalents according to the controlled load.
The third version for the 4098 is shown here (the others are CIR17E and CIR138E). It is a...
This configuration can be found at several points in this section and on this website. With the...
This circuit is from a 1980 publication. In it we have a half-wave power control in which the SCR...