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tunnel diode
A semiconductor diode in which quantum-mechanical tunneling leads to a region of negative slope in the forward direction of the current-voltage characteristic.
NOTE 1 The current is typically a single-valued function of voltage.
NOTE 2 In practice, the distinction between tunnel diodes and backward diodes is based on circuit application emphasis of the negative-resistance property (tunnel diode) or the low-level rectification property (backward diode).
Graphic symbol (ref. IEEE Std 315):
References
JESD77-B, 2/00Browse Alphabetically
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