radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

DDT220

Information - Help 
ID = 14085
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Tube type:  Double Diode-Triode 
Identical to DDT220 = H2D

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fp) Top contact with a cap.
Filament Vf 2 Volts / If 0.1 Ampere
Information source History of the British Radio Valve to 1940   p. 146 & 166
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   section 291, p. 656
Taschenbuch zum Röhren-Codex 1948/49

s_412_g_1~~1.gif DDT220: Fin Stewart
Fin Stewart


Just Qvigstad
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information