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6H4

Information - Help 
ID = 6521
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Signal Diode - one single system 
Identical to 6H4
Similar Tubes
Other shape (e.g. bulb type):
  6H4GT

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uh)
Filament Vf 6.3 Volts / If 0.14 Ampere / Specified voltage AC/DC
Description 100V PIV, 8mA average. 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Essential Characteristics, GE 1973   

6h4.png
6H4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector

570.png 6H4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
6h4_dat.png
6H4: elektron taschenbuch 1952
Heinz Höger

 

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