Germanium Diode


Crystal Diode

The heart of any crystal radio is the Germanium Diode. Modern silicon diodes require too much power to operate, so they are useless in the extremely low power circuitry of a crystal radio. Germanium Diodes are not as available as they used to be and good, sensitive ones are a little difficult to find. We test each one of our Germanium Diodes in a crystal radio circuit to verify its performance. Diodes may be the IN34A or IN270 variety. Either type will work just as well as the other. Package of 1 diode. Limited quantities available.

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