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ID = 5911
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Raytheon Mfg. Co.; Cambridge, MA 
Tube type:  Double Triode   Universal 
Identical to 5873 = CK5873
First Source (s)
13.Sep.1951 : Electron Tube Registration List 1019
Predecessor Tubes 12AU7  

Base Subminiatur-8, with space 1/8, B8D
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description Dual triode, T3 subminiature version of the 12AU7; mu 22, gm 2.9 mS, 1.6W.
GE and Raytheon known manufacturers. 
Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   
Tube Lore (I)
5873: Essential Characteristics
Anonymous 15 Collector

5873: Manufacturer's Literature
Emilio Ciardiello

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