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BD561

Information - Help 
ID = 51421
       
Country:
United States of America (USA)
Brand: Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Tube type:  Transistor   Power/Output 
Identical to BD561
Similar Tubes
Normally replaceable-slightly different:
  BD437

Base Wires
Filament Solid State
Description

NPN silicon planar transistor intended as AF power amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 12 x 3 mm / 0.31 x 0.47 x 0.12 inch
Weight 3 g / 0.11 oz
Information source -- Collector info (Sammler)   TTT 1981 Steidle
 
bd561g.jpg
BD561: R.Osterkamp
Rudolf Osterkamp

 
to126_t_106.gif
BD561
Günther Stabe

 

Usage in Models 2= 1970?? ; 2= 1973 ; 2= 1974 ; 1= 1978 ; 9= 1980??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


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