Beware! The behavior of a part outside its operating specifications is not always predictable. Beware! The behavior of a part outside its operating specifications is not always predictable. In my ...

Helium-filled full-wave rectifier. A 4-pin base with brass shell and ceramic insulator. Tipped S-shaped envelope. Serial number "5144". Two ceramic-covered cylinders are set side by side on top the ...

Bridge rectifier circuits used at the power input of a device allow it to be insensitive to the polarity of the device’s power source. The device itself may be sensitive to the polarity of the power ...