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PM202

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ID = 16191
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to PM202 = CV185 = CV1680 = VT112_GPO
Similar Tubes
Other base:
  PM202_UX
First Source (s)
1929 : History of the British Radio Valve to 1940 p. 150 & 165
22.Nov.1935 : Wireless World (The), London (WW, 79)
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Description

Ra 2k ohms. Gm 3.5mA/V at Va=100, Vg=0. Optimum Load= 3.7k.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
1_109.png PM202: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		pm202.png
PM202: Mullard Maintenance Manual 1954
Achim Dassow
Usage in Models 1= 1928? ; 1= 1928 ; 4= 1931 ; 1= 1932 ; 1= 1933?? ; 1= 1933?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

Collection of

Nigel Hulse (ZA)
Roy Johnson (GB)
Karlheinz Fischer (D)
Tomasz Szczesniak (PL)
 
pm202.jpg

PM202
 
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