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5642

Information - Help 
ID = 5856
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer:  
Tube type:  High-vacuum Rectifier   Power-supply 
Identical to 5642 = SN956B
Similar Tubes
Normally replaceable-slightly different:
  DY70
First Source (s)
20.Mar.1948 : Electron Tube Registration List 643
Predecessor Tubes SN956B  

Base Wires only
Filament Vf 1.25 Volts / If 0.2 Ampere / Direct
Description

High-voltage subminiature diode used for Oscilloscope CRT (Rectifier) Base Sm-2Y1. 10KV PIV, 0.250mA max dc, steady state, 150uA typical.
Also made by GE, Mullard, Sylvania, Tung-Sol, Westinghouse among the others.

 
Tube prices 5 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Tube Lore (I)   
  5642.png
  5642: Tektronix Skop 516
Heinz Höger
 
5642~~1.jpg
5642: scc
Christian Schaufelberger

 
sp101_g.gif
5642: RTT Schwandt
Günther Stabe

 
5642_01.png
5642: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 3= 1950 ; 4= 1951? ; 1= 1952 ; 2= 1954 ; 2= 1955 ; 1= 1957?? ; 3= 1957 ; 11= 1959 ; 1= 1960?? ; 2= 1960 ; 1= 1961 ; 1= 1962? ; 2= 1962 ; 1= 1963?? ; 4= 1963 ; 1= 1964?? ; 4= 1964? ; 2= 1964 ; 1= 1965?? ; 2= 1965 ; 2= 1966?? ; 2= 1966? ; 4= 1966 ; 1= 1967 ; 1= 1968?? ; 1= 9999?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):60



Forum contributions about this tube
5642
Threads: 1 | Posts: 1
Hits: 2041     Replies: 0
5642
Perica Adnadevic
29.Aug.05
  1 This is a high voltage diode.
Characteristics:
Ua=3600V
Ia=2mA
Ra=200kOhm
 
5642
End of forum contributions about this tube

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