radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

EF15

Information - Help 
ID = 328
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Developer: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF15
Similar Tubes
Heater different:
  UF15
Other base:
  EF175
First year 1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
May.1950 : Funkschau #10, 1950
Successor Tubes 1950   EF175   EF43   EF85  

Base German Steel Y8A, 1938
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, (AC/DC)
Description

Ua: 250V; Ug2: 100V; Ug1: -2V; Rk: 130 Ohm; Ia: 12 mA; Ig2: 3 mA; S: 6 mA/V; Ri: 500 kOhm

 
Tube prices 3 Tube prices (visible for members only)
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
  ef15.png
  EF15: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef15_2.jpg
EF15
Hartmut Völler

 
st35.png
EF15: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef15_spec.png
EF15: Hönger, Röhrentaschenbuch, 1952
Anonymous 15 Collector


Usage in Models 24= 1950 ; 17= 1951 ; 2= 1952

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):43


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