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ID = 45701
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transistor   Universal 
Identical to TN2907A = 2N2907 = PN2907
Similar Tubes
Other shape (e.g. bulb type):
Normally replaceable-slightly different:

Base Wires
Filament Solid State
Description Material/Aufbau/Pol.: Silizium Epitaxial PNP;
Form/Case: X-89 (~ TO-92) Anschlussfolge CBE;
Daten/ I F: 150 mA; U F: 0.4 V; Isp: 0.02 µA; ß (beta): 100-300; N: 400 mW; Imax(Ic): 600 mA; Umax(Uce): -60 V; f g(FT): 200 MHz; tmax j: 200 °C; kompl.: TN2222 / TN2222A.
Variante: TN2907A = Isp 0.01 µA, kompl.: TN2222A
Manufactured by National Semiconductor Corp. 
Dimensions (WHD)
incl. pins / tip
5 x 6 x 4 mm / 0.20 x 0.24 x 0.16 inch
Weight 1 g / 0.04 oz
Information source
TN2907A: Towers IVT
Günther Stabe † 19.8.20


Usage in Models 1= 1970??

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

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