2N4983 and 2N4986 (IP055E)

SUS with trigger voltage of 8 V. This component is used in TRIAC triggering and monostable circuits.

Phase Modulator (CB7928E)
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
Piezoelectric transducer driver (CB8117E)
This circuit was found in an Electronic Design from the 90s. The integrated circuit is from that...
Timer Switch (CB16474E)
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...