2N4983 and 2N4986 (IP055E)

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

Multi Optical Sensor (CB20345E)
This circuit activates a relay by activating one of a series of optical sensors that can be...
Keyboard Audio Feedback (CB18485E)
We found this circuit in a 1980 documentation. The circuit produces popping or beeping sounds on a...
12 V to 110 V x 60 Hz Inverter (CB13913E)
This 12 V to 110 V inverter with 100 W was found in a 1977 Signetics manual. The transformer must...