Antique radios, Old Time Radios
AF4
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Country:
Worldwide
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| Identical to |
AF4
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| Base |
Wires
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| Description |
Aufbau/Material/Pol.: Silizium Planar NPN;
Form/Case/Outline: TO-5;
Daten/electr.data: I F: __ mA; U S: __ V; Isp: __ µA; ß (beta): __; N: 600 mW; Imax: __ mA; Umax: __ V; f g: __ MHz; tmax j: __ °C.
This is NOT a specific transistor - it is a Replacement Classification System ID of BRC (British Radio Corporation Ltd.)
AF4 stands for one of the following transistors: U3847, BC119UA, BFY52, BC140D, BSY54, TIP90, ...
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| Weight |
1 g / 0.04 oz |
| Information source |
-- Collector info (Sammler) BRC Bulletin
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AF4: Eugen Queck Plan, nachgezeichnet
Ralph Oppelt † 3.4.24
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AF4: 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):4
Collection of
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