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U247B

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ID = 62254
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  IC - Integrated Circuit   Indication 
Identical to U247B
Base SPECIAL TUBEBASE in general
Description

Aufbau/Content: IC (__ Trans., __ Widerst., __ Dioden);
Form/Case: DIP-8;
Type/application: LED display driver (5 diodes), linear scale;
In combination with U237B = 10 diodes;
Daten/data: Vcc: 12...25 V; Icc: 25 mA; Pd: <690 mW; t op: -10...+60 °C @ 25 V;
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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
Information source - - Manufacturers Literature   
u247b_umgeb2.png
U247B: Tfk
Günther Stabe † 19.8.20
dip_8~~19.png U247B: TTT Steidle 1981
Günther Stabe † 19.8.20
Usage in Models 1= 1979 ; 1= 1980 ; 1= 1990? ; 1= 1991?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

Hans-Werner Ellerbrock (D)
 
u247b_bearb.jpg

 
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