2N4988 and 2N4989 (IP058E)

SUS (Silicon Unilateral Switches) with a 8 V trigger voltage used in the controlo f SCRs and other applications.

SCR Alarm oscillator (CB6114E)
This circuit was suggested by General Electric in a 1965 documentation. The circuit can be...
Relay Machine Gun (MIN062E)
This simple circuit imitates the sound of a machine gun and, when using a larger capacitor, a...
Simple 555 Timer (CB3982E)
This configuration is suggested by Mullard (Philips) in an old manual of 555 integrated circuits....