Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 43078
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Transistor   Audio Frequency 
Identical to BCY40
Similar Tubes
Normally replaceable-slightly different:
  2N2904 ; 2N2905 ; BC328

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Silizium Planar PNP;
Form/Case: (TO-5) TO-39 (Basis mit Gehäuse verbunden);
Daten/ I F: 30 mA; U F: 2 V; Isp: 0.1 µA; ß (beta): 45; N: 350 mW; Imax(Ic): 250 mA; Umax(Uce): -32 V; f g(FT): 2.5 MHz; tmax j: 150 °C.
Dimensions (WHD)
incl. pins / tip
9 x 7 x 9 mm / 0.35 x 0.28 x 0.35 inch
Weight 1 g / 0.04 oz
Information source
BCY40: Peter Langer
Günther Stabe

BCY40: TVT 73
Günther Stabe

BCY40: Valvo Taschenbuch 1970
Heinz Höger

Usage in Models 1= 1965 ; 2= 1968

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]