Reverse polarity protection 2 (CB22140E)

This circuit has an improvement over the previous one as it also has an LED indicator for correct polarity.

Voltage Regulator 100 V x 20 mA (CB12670E)
A negative floating regulator capable of supplying an output voltage of -100 V with regulation of 20 mV for...
SCR Inverter (CB9332E)
Found in American documentation from the 90s, this circuit converts 28 V to 155 V with a frequency of...
Inverter Electronic Switch (CB17099E)
We found this circuit in a 1997 documentation. Its purpose is to fan an inverter for fluorescent lamp...