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ID = 78180
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Transistor   Power/Output 
Identical to BCX37
Similar Tubes
Normally replaceable-slightly different:

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Silizium Epitaxial Planar PNP;
Form/Case/Outline: SOT-25 Anschlussfolge EBC;
Daten/ I F: 150 mA; U F: (-5) V; U S: <1.6 V; Isp: <0.1 µA; ß (beta): >40; N: 730 (830) mW; Imax(Ic): 0.6 (1) A; Umax(Ucb): -40 V; Umax(Uce): -40 V; f g(FT): >80 MHz; tmax j: 150 °C; kompl. BCX34;
Dimensions (WHD)
incl. pins / tip
8 x 5 x 5 mm / 0.31 x 0.20 x 0.20 inch
Weight 1 g / 0.04 oz
Information source -- Collector info (Sammler)   
BCX37: TTT Steidle 1981
Günther Stabe † 19.8.20


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