Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 20201
Tube type:  Vacuum Pentode   Controlling (mu) 
Identical to KF3_7pin
Similar Tubes
Other base:
  KF3 ; KF3G
First year Feb.1936 Tube leaflet collection E.Erb Analysis by original leaflets (T7, V8)

Base British-7-Pin, old (M7A) Top contact with a cap.
Filament Vf 2 Volts / If 0.05 Ampere / Direct / Battery =

Sockel: f, nc, g2, m, a, g3, f, Kappe: g1; Anode: 135V, 2mA; Schirmgitter: 135V, 0,6mA; Steuergitter: -0,5...-15V; Steilheit: 0,65...0,002mA/V

Information source Taschenbuch zum Röhren-Codex 1948/49   

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