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ID = 58883
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Transistor   Universal 
Identical to BSY25
Similar Tubes
Different maximum ratings:

Base Wires
Was used by Industrial
Filament Solid State

NPN silicon epitaxial transistor intended as fast switch for core drivers, power oscillators and high level logic.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
9 x 7 x 8 mm / 0.35 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Literature -- Original-techn. papers.   STC 1963
-- Collector info (Sammler)   KTT 1969/70
BSY25: g.k.
Günter Kudicke

BSY25: TVT 73
Günther Stabe

BSY25: SEL Transistoren, Dioden 1965
Reinhard Zwirner

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