2N4983 and 2N4986 (IP055E)

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

High voltage switch (CB6929E)
This circuit, for frequencies up to 100 kHz, was found in American documentation from 1970. The...
25W Transistor Amplifier (CB1321E)
We found this complementary simetry configuration in a1980s documentation. Transistors, which are...
Delay circuit (CB7545E)
This circuit was found in an Elektor from the 90s. Next to the circuit we have a table with the...