Antique radios, Old Time Radios
2SD1991
Country:
Japan
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Identical to |
2SD1991
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Base |
Wires
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Description |
NPN silicon epitaxial planar transistor intended as universal amplifier.
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Text in other
languages (may
differ)
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Dimensions (WHD) incl. pins / tip |
7 x 4 x 3 mm / 0.28 x 0.16 x 0.12 inch |
Weight |
1 g / 0.04 oz |
Information source |
-- Original-techn. papers. Panasonic
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2SD1991: Panasonic
Günther Stabe † 19.8.20
More ...
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2SD1991: LGE-Datenblatt
Oskar Elm
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Collection of
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