germanium diode

Germanium diodes, as well as selenium diode germanium diode is also a small shape and as the name suggests, the diode is made from germanyum

Looks like a resistor so that sometimes we are often wrong. to distinguish germanyum diode with resistor components that need to be considered is a circular mark near one end.

The end is close to the mark which is a positive sign of the circular cathode

Germanium diodes in its operations as a series of widely used detector in a radio receiver or as a voltage divider