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BD440

Information - Help 
ID = 42435
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to BD440
Similar Tubes
Normally replaceable-slightly different:
  2N4919 ; 2SA505 ; BD138 ; BD229 ; BD274 ; BD378 ; GD440 ; MJE171

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 1 g / 0.04 oz
Information source
 
bd440.jpg
BD440
Egon Strampe

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to126_t_37.gif
BD440: TTT Steidle 1981
Günther Stabe † 19.8.20

 
d_telefunken_bd440_dat1.png
BD440: Telefunken Leistungstransistoren 1977/78
Thomas Günzel

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Usage in Models 1= 1979

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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