Antique radios, Old Time Radios
2N172
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Country:
United States of America (USA)
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| Identical to |
2N172
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| First Source
(s) |
Mar.1956 : -- Collector info (Sammler)
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Successor Tubes
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2N252
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| Base |
Wires
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| Description |
Material/Aufbau/Pol.: Germanium Flächen NPN;
Form/Case/Outline: TO-22;
Daten/electr.data: I F: 1 mA; U F: _ V; Isp: 3 µA; ß (beta): 20; N: 65 mW; Imax(Ic): 5 mA; Umax(Ucb/Uce): 16 V; f g(FT): >1 MHz; tmax j: 75 °C.
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Dimensions (WHD)
incl. pins / tip |
11 x 11 x 5 mm / 0.43 x 0.43 x 0.20 inch |
| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) KTT 1969/70, TTT Steidle 1981
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2N172: TTT Steidle 1981
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):32
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