Antique radios, Old Time Radios
TK20B
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Country:
Great Britain (UK)
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| Identical to |
TK20B
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| Similar
Tubes |
Other shape (e.g. bulb type):
TK20C
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| Base |
Wires
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| Description |
PNP germanium alloy high-frequency bi-directional transistor . Color dot indicates collector.
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Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
6 x 14 x mm / 0.24 x 0.55 x inch |
| Weight |
1 g / 0.04 oz |
| Information source |
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TK20B: TTT Steidle 1981
Günther Stabe † 19.8.20
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