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Information - Help 
ID = 42200
Brand: Röhrenwerk "Anna Seghers" Neuhaus a.R., VEB (RWN)
Tube type:  Transistor   Audio Frequency 
Identical to GD180
Similar Tubes
Normally replaceable-slightly different:
  4NU72 ; 5NU72 ; OC30 ; OC838
Predecessor Tubes OC838  
Successor Tubes GD243  

Base No base
Filament Solid State
Description PNP germanium junction transistor intended as AF power amplifier 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
31 x 8 x 19 mm / 1.22 x 0.31 x 0.75 inch
Weight 8 g / 0.28 oz
Tube prices 1 Tube prices (visible for members only)
Information source
Egon Strampe
GD180: W.E.
Wolfgang Eckardt

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GD180: Schubert, Das große Radiobastelbuch, 1980
Wolfgang Eckardt

GD180: Halbleiter-Bauelemente 1978
Egon Strampe

More ...

Usage in Models 1= 1964 ; 1= 1970

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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