Antique radios, Old Time Radios
2N4957
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Country:
United States of America (USA)
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| Identical to |
2N4957
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| Similar
Tubes |
Normally replaceable-slightly different:
BF272
; BF516
Different maximum ratings:
2N4959
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| Base |
Wires
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| Description |
PNP silicon epitaxial planar low noise transistor for UHF applications.
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Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
6 x 6 x 6 mm / 0.24 x 0.24 x 0.24 inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) TTT 1981 Steidle
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2N4957: TVT 73
Günther Stabe † 19.8.20
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Collection of
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