Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 31108
United States of America (USA)
Brand: Amperite Co., Inc.; Union City / West New York (NJ)
Tube type:  Current Regulator, Iron in Hydrogen 
Identical to 5TF4

Base Noval, 9 pin miniature (USA pico-9) B9A
Description 550mA for 6.1 to 7.4V. Connections (2+3)to (7+8) 
Information source -- Collector info (Sammler)   

0_ball_53_3.png 5TF4
Emilio Ciardiello

Just Qvigstad
Usage in Models 1= 1951?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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]

Data Compliance More Information