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ID = 20821
Tube type:  Vacuum Pentode   Power/Output   Controlling (mu) 
Identical to 5618
First Source (s)
1947 : Radio Electronic Engineering Jan 1948
20.Oct.1947 : Electron Tube Registration List

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6 Volts / If 0.23 Ampere / Direct / Battery =

Quick heating for mobile VHF TX use. Can also operate at 3V, 0.46A filament.

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Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
5618: Eigene Sammlung
Aldo Patriarca

5618: RTT Schwandt
Günther Stabe † 19.8.20

5618: Manufacturer's Literature
Emilio Ciardiello

from Just Qvigstad

Usage in Models 1= 1951

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

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