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X-78

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ID = 71882
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transistor   Power/Output 
  Late but very rare. ***
Identical to X-78

Base Wires
Description

Material/Aufbau/Pol.: Germanium diff. Junction PNP;
Form/Case/Outline: Kupferbügel (C), Epoxy-Zylinder mit 2 Drahtenden (E, B);
Daten/electr.data: I F: __ A; U F: -__ V; Isp: __ mA; ß (beta): __; Power gain: >10 db @ 25 °C; Pd: 1 W; Imax(Ic): 100 mA; Umax(Ucb): -45 V; Umax(Uce): -__ V; f g(FT): <10 kHz; tmax amb: 80 °F, ~ 27 °C;
High power transistor 1953/54; also matched pairs for W class B amplifiers up to 2 W; Load Impedance (C-C): 2 kΩ, Input Impedance (B-B): 10 Ω, Driving power: 200 mW.

Manufactured by Clevite USA (Clevite Transistor Products Inc. = CTP)

 
Dimensions (WHD)
incl. pins / tip
25 x 12 x 12 mm / 0.98 x 0.47 x 0.47 inch
Weight 5 g / 0.18 oz
Information source -- Original-techn. papers.   Transistor Products Inc., Jan. 1954

 
x78.png

 

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