This circuit was obtained from a 1967 GE SCR manual. The SCRs must be rated for the wattage of the controlled heating element.
The circuit in the figure is suggested by Texas Instruments to trigger a sensitive SCR from a...
Described in the December 1969 Radio Electronics magazine, this circuit is intended to supply the...
This circuit from a 1966 General Electric manual makes use of an SCS. The time is given by the...