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4605

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ID = 21257
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 4605

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Telephony
Filament Vf 1.8 Volts / If 1.1 Ampere / Indirect
Description

Va = 200V, Ia = 4mA, Vg = -6V, mu = 14
Intended for use as grid-leak detector or AF amplifier, class B.

 
Information source Babani, International Radio Tube Encyclopaedia   p. 40 & 41
-- Original-techn. papers.   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

4605_sock.png 4605: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
4605_dat.png
4605: Röhren-Handbuch 1995 Franzis-Verlag
Heinz Höger

 

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