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50B5

Information - Help 
ID = 3120
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Beam Power Tube   Power/Output 
Identical to 50B5 = A4388
Similar Tubes
Normally replaceable-slightly different:
  50F2
Different connections:
  50C5
First Source (s)
25.Oct.1945 : Electron Tube Registration List
Predecessor Tubes 50L6G  

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zib)
Was used by Radio/TV-reception etc.
Filament Vf 50 Volts / If 0.15 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Description

Typical operation: 110 V plate and screen grid, 49 mA plate current, -7.5 V G1. 1.9 W across 2500 ohms.

Max peak heater to cathode insulation +/- 90 V in the early release. Insulation uprated to 200 V starting from May 1957.

* RMA/JEDEC register record available by courtesy of TCA* - Full record is downloadable here.

 
Tube prices 5 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature

50b5.png
50B5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

50b5_so.png 50B5: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
50b5_techdat01.png
50B5: Sylvania Technical Manual
Peter Hoddow

More ...
Usage in Models 1= 1940?? ; 6= 1946?? ; 27= 1946? ; 65= 1946 ; 2= 1947?? ; 20= 1947? ; 111= 1947 ; 9= 1948?? ; 49= 1948? ; 131= 1948 ; 15= 1949?? ; 30= 1949? ; 37= 1949 ; 71= 1950?? ; 30= 1950? ; 40= 1950 ; 29= 1951?? ; 29= 1951? ; 24= 1951 ; 17= 1952?? ; 17= 1952? ; 23= 1952 ; 12= 1953?? ; 15= 1953? ; 23= 1953 ; 5= 1954?? ; 10= 1954? ; 22= 1954 ; 19= 1955?? ; 11= 1955? ; 33= 1955 ; 5= 1956?? ; 2= 1956? ; 22= 1956 ; 6= 1957?? ; 1= 1957? ; 14= 1957 ; 8= 1958?? ; 1= 1958? ; 6= 1958 ; 5= 1959?? ; 8= 1959? ; 11= 1959 ; 18= 1960?? ; 2= 1960? ; 1= 1960 ; 1= 1961?? ; 1= 1961? ; 1= 1961 ; 2= 1962?? ; 1= 1962 ; 2= 1963? ; 2= 1963 ; 3= 1964?? ; 3= 1964 ; 3= 1965?? ; 3= 1965? ; 1= 1966 ; 1= 1970?? ; 4= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1071

Collection of


Documents about this component
  RMA registration record covering the RCA tube types 6AT6, 6AU6, 6BA6, 6BE6, 12AT6, 12BA6, 12BE6, 35W4 and 50B5 2327 KB
 
50b5~~5.jpg

50B5
 

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