Antique radios, Old Time Radios
AF137a
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Country:
Germany
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| Identical to |
AF137a
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| Similar
Tubes |
Normally replaceable-slightly different:
AF137
; AF137
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| Base |
Wires
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| Description |
Material/Aufbau/Pol.: Germanium diffusionslegiert PNP;
Form/Case: TO-72-L Anschlussfolge EBCs;
Daten/electr.data: I F: 1 mA; U F: 6 V; Isp: 3 µA; ß (beta): 60; N: 60 mW; Imax(Ic): 10 mA; Umax(Uce): -10 V (?); f g(FT): 20 MHz; tmax: 75 °C.
Erstbestückung, vermutlich geringerer Umax; keine Dokumentation in Datentabellen! Details => AF137 (Daten hiervon s.o.) -
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Dimensions (WHD)
incl. pins / tip |
5 x 10 x mm / 0.20 x 0.39 x inch |
| Weight |
2 g / 0.07 oz |
AF137a: Funktechnik 2/ 1970
Egon Strampe
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AF137a: TVT 73
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
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