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MPS-A55

Information - Help 
ID = 50222
       
Country:
United States of America (USA)
Brand: Motorola Inc. (ex Galvin Mfg.Co. Chicago); Schaumburg (IL)
Tube type:  Transistor   Audio Frequency 
Identical to MPS-A55
Similar Tubes
Normally replaceable-slightly different:
  BC161 ; BC527

Base Wires
Filament Solid State
Description PNP silicon epitaxial transistor intended as AF amplifier / driver.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
5 x 5 x 4 mm / 0.20 x 0.20 x 0.16 inch
Weight 1 g / 0.04 oz
Information source - - -   
- - -   TTT Steidle 1981, TVT 1979/80 ECA
- - -
- - -
 
mpsa55_redimensionner.jpg
MPS-A55
Jacky Parmentier

 
to92_cbe.png
MPS-A55
Günther Stabe

 
mpsa55.png
MPS-A55: National Semiconductor 1978
Heinz Höger


Usage in Models 1= 1973? ; 3= 1980 ; 4= 1981 ; 1= 1984??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9


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