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A281

Information - Help 
ID = 50117
       
Country:
Germany
Brand: Halbleiterwerk Frankfurt /Oder, VEB, (HFO); Frankfurt /Oder (Ostd.)
Tube type:  IC - Integrated Circuit   RF/IF-Stage 
Identical to A281 = A281D
Similar Tubes
Normally replaceable-slightly different:
  TAA991
Other class quality (otherwise equal):
  R281D

Base SPECIAL TUBEBASE in general
Was used by Radio/TV-reception etc.
Filament Solid State
Description

Monolithic integrated AM-/FM-IF Amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
18 x 7 x 8 mm / 0.71 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
  a281_appl.png
  A281
Hartmut Schmidt
 
sam_0785.jpg
A281: Sammlung: oskarelm
Oskar Elm

 
dil_14.gif
A281
Hartmut Schmidt

 
a281.png
A281: eigene Sammlung
Hartmut Schmidt


Usage in Models 1= 1976 ; 1= 1977 ; 2= 1980 ; 1= 1982? ; 3= 1982 ; 1= 1983? ; 2= 1983 ; 3= 1984 ; 1= 1987?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):15


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