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

2A/230D

Information - Help 
ID = 30390
       
Country:
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Saturation diode   Power-supply 
Identical to 2A/230D = 29C1 = CV430

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Direct
Description

Saturated diode intended as controlling element for stabiliser circuits.

  • Va 100 V typical, 250 V max ; Ia 3 mA max.
  • Anode current controlled from 0.2 mA to 2.2 mA for filament voltage from 3 to 4V
  • Corresponding filament current ranges from 0.7 to 0.8 A approx
  • Ia / Vf slope 6.5 mA/V typical
 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 80 x 32 mm / x 3.15 x 1.26 inch
Weight 36 g / 1.27 oz
Information source - - Manufacturers Literature   Ediswan and Mazda data sheets dated December 1948


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