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BD178

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ID = 45274
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Transistor   Power/Output 
Identical to BD178
Similar Tubes
Normally replaceable-slightly different:
  2N4919 ; BD138 ; BD229 ; BD236 ; BD378
First Source (s)
Mar.1974 : -- Collector info (Sammler)
Base Wires
Description PNP silicon planar transistor intended as AF power amplifier.
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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
to126_t_80.gif BD178: TTT Steidle 1981
Günther Stabe † 19.8.20
d_telefunken_bd178_dat1.png
BD178: Telefunken Leistungstransistoren 1977/78
Thomas Günzel † 1.8.22
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Usage in Models 1= 1975? ; 1= 1975 ; 2= 1976? ; 1= 1976 ; 1= 1977?? ; 1= 1977 ; 1= 1979
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of

Karlheinz Fischer (D)
Michael Mischke (D)
Museum Roggenhofer (A)
 
bd178.jpg

BD178
 
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