Description
The DB9 Germanium Diode the diode most used in Crystal Radio sets ( Xtal Radio Sets ). DB9 diodes are made of a material called germanium a material used for transistors and diodes as one of the first semiconductor materials used commercially.
Germanium Diode. D9B USSR Detector Diode 10V 40ma.
USSR Surplus Military components. New Condition.
Rare in the UK. Forward Voltage Drop, 0.3-0.4 v.