Antique radios, Old Time Radios
OA687
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Country:
Germany
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| Identical to |
OA687
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| Similar
Tubes |
Other base and data slightly different:
OA685
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| Base |
Wires
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| Description |
Material/Aufbau: Germanium Punktkontakt;
Form/Case: (axial);
Daten/electr.data: I F: 4 mA; U F: 1 V; I sp: 10 µA; U sp: 10 V; Imax: 30 mA; Umax: 80 V; tmax: 60 °C.
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Dimensions (WHD)
incl. pins / tip |
16 x 6 x mm / 0.63 x 0.24 x inch |
| Weight |
1 g / 0.04 oz |
| Information source |
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-- Collector info (Sammler) KTT 1969/70
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OA687
Günther Stabe † 19.8.20
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OA687: KTT 4.Aufl. Franzis-Verlag
Heinz Höger
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