Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 44008
United States of America (USA)
Brand: Thermosen Inc.; Stamford (CT)
Tube type:  Saturation diode   Power-supply 
Identical to 2AS15A
Similar Tubes
Other characteristic (electr. data):
  2AC15 ; 2AS15

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 1.8 Volts / If 0.33 Ampere / Direct

Temperature-limited diode for voltage stabilisation applications, anode current depending upon the voltage applied to the tungsten filamentary cathode.

  • Filament current draining: 303 mA at 1.5 volts - 335 mA at 2.0 volts
  • 6 µA plate current at 100 V anode and 1.5 V DC or AC RMS filament
  • 790 µA plate current at 100 V anode and 2.0 V DC or AC RMS filament

Also made by General Electric

Text in other languages (may differ)
Information source - - Manufacturers Literature   

2as15.png 2AS15A
Emilio Ciardiello

Just Qvigstad

Collection of



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]