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U420B

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ID = 40873
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  IC - Integrated Circuit   Power/Output 
Identical to U420B
Base SPECIAL TUBEBASE in general
Description

Aufbau/Content: IC (__ Trans., __ Widerst., __ Dioden, __ Kond.);
Form/Case/Outline: DIP-8;
Applikation/Type: AF Power Amplifier / NF-Verstärker 1 W;
Daten/electr.data: Vcc: 3...16 V; Iccq: __ mA; Pd: __ mW; t op: -__...+__ °C.
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Dimensions (WHD)
incl. pins / tip		 10 x 7 x 8 mm / 0.39 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
u420b.png
U420B: unbek.
Egon Strampe
dip_8~~33.png U420B: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 1= 1980?? ; 1= 1982?? ; 3= 1985?? ; 1= 1986?? ; 4= 1986 ; 3= 1987 ; 1= 1988?? ; 1= 1990?? ; 1= 1990?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16

Collection of

Karlheinz Fischer (D)
 
u420b.jpg

U420B
 
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