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BD438

Information - Help 
ID = 38345
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to BD438
Similar Tubes
Normally replaceable-slightly different:
  2N4918 ; 2N5193 ; 2SA886 ; 2SB772 ; BD136 ; BD166 ; BD186 ; BD227 ; BD376 ; BD462 ; BD464 ; BD562 ; GD340 ; HSB772 ; KSB772 ; MJE170 ; MJE370 ; NA52
First Source (s)
Mar.1975 : -- Collector info (Sammler)

Base Wires
Filament Solid State
Description PNP 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 Steidle 1981
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bd438.jpg
BD438: G.S.
Günther Stabe † 19.8.20

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to126_ttt_10.gif
BD438: TTT Steidle 1981
Günther Stabe † 19.8.20

 
bd438_data1.png
BD438: Valvo Transistoren, 1974
Michael Schlör

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Usage in Models 4= 1974 ; 1= 1977? ; 2= 1978? ; 1= 1979 ; 1= 1980? ; 1= 1985?? ; 1= 1985? ; 1= 1988 ; 1= 1989?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13


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