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

2N2431

Information - Help 
ID = 37950
       
Country:
United States of America (USA)
Brand: Philco, Philadelphia Stg. Batt. Co.; USA
Tube type:  Transistor   Power/Output 
Identical to 2N2431 = 121-373
Similar Tubes
Normally replaceable-slightly different:
  AC128 ; AC153 ; AC188 ; AC193

Base Wires
Filament Solid State
Description

PNP germanium alloy transistor intended as AF low power amplifier.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
6 x 10 x mm / 0.24 x 0.39 x inch
Weight 2 g / 0.07 oz
Information source
  2n24232_1.png
  2N2431: Sams Photofact Folders Date 5-65, Set 754, Folder 9
Egon Penker
 
2n2431_pl.jpg
2N2431: Peter Langer
Günther Stabe † 19.8.20

 
to1_tvt_283.gif
2N2431: TVT 73
Günther Stabe † 19.8.20

 

Usage in Models 1= 1962 ; 2= 1964? ; 1= 1964 ; 5= 1965?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

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]
  
rmXorg