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HR210_Octron

Information - Aide 
ID = 80774
       
Pays:
Royaume Uni
Fabricant: Octron (Brand), H. S. Electric, Ltd.; Octron Ltd.; Birmingham
Type:  Triode, vacuum   Detector 
Identique à HR210_Octron

Culot Europe 4-Pin B4 (Eu A, E, 4A) 1914
Utilisé par Radio/TV-reception etc.
Chauffage Vf 1.8 Volt / If 0.1 Ampère / Direct / Battery =
Description

Rac 77kΩ, Ia 0.85mA, gm 0.21mA/v at Vg=-1.0 and Va=100

This tube had a blue line painted around the bulb. Used as a detector or RCC tride

 
Bibliographie Wireless World (The), London (WW, 79)   Dec 1926
British Radio Valves - The Classic Years: 1926-1946   P. 250 & 331; Supplement, p. 80
History of the British Radio Valve to 1940

b4_base_pins~~441.png HR210_Octron: Fin Stewart
Fin Stewart


Just Qvigstad
 

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