Antique radios, Old Time Radios
40390
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Country:
United States of America (USA)
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| Identical to |
40390
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| Similar
Tubes |
Other shape (e.g. bulb type):
2N3440
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| Base |
Wires
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| Description |
NPN silicon diff. transistor (~ 2N3440) with heat radiator intended as high-frequency high voltage switch.
-
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
31 x 22 x 15 mm / 1.22 x 0.87 x 0.59 inch |
| Weight |
6 g / 0.21 oz |
| Information source |
-- Collector info (Sammler) TTT Steidle 1981, Towers ITVL
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40390: TTT Steidle 1981
Günther Stabe † 19.8.20
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40390: RCA Manual SC-12
Heinz Höger
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