USSR Silicon Diodes KD521V

The KD521B is a high-speed switching diode fabricated in planar technology, and encapsulated in hermetically sealed leaded glass SOD27 (DO-35) packages.

Original Soviet Silicon Diodes KD521V [КД521B] which was used in EHX/Sovtek Big Muff`s from Civil War to Black Russian.

Lot of 100 diodes


Made in USSR by 1980s. New, Old Stock

Reverse voltage max.                   50 V
Reverse voltage pulse ma x.        55 V
Forward  current  max.               50 mA
Reverse recovery time                   4 ns
Total capacity                                 4 pF
Permanent direct voltage < 1 V/ 50 mA

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