Antique radios, Old Time Radios

5642

ID = 5856

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. Valvo GmbH, Radioröhrenfabrik; Hamburg Mullard Radio Valve Co. Ltd.; Apollo Radio Tube Company; New York City, NY, Irvington, NJ General Electric Co. (GE); Bridgeport CT, Syracuse NY Hytron; Salem (MA) Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Tung-Sol Electric Inc.; Newark (NJ) Westinghouse El. & Mfg. Co. - see also Canadian W.
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)

Information source

Essential Characteristics, GE 1973
Tube Lore (I)

5642: Tektronix Skop 516 Heinz Höger
5642: RTT Schwandt Günther Stabe † 19.8.20 More ...		5642: Manufacturer's Literature Emilio Ciardiello More ...

Usage in Models

22= 1950? ; 1= 1950 ; 27= 1951? ; 23= 1952? ; 1= 1952 ; 2= 1954 ; 2= 1955 ; 2= 1957?? ; 3= 1957 ; 11= 1959 ; 1= 1960?? ; 2= 1960 ; 1= 1961 ; 2= 1962? ; 3= 1962 ; 1= 1963?? ; 1= 1963? ; 5= 1963 ; 1= 1964?? ; 4= 1964? ; 2= 1964 ; 1= 1965?? ; 1= 1965? ; 2= 1965 ; 5= 1966?? ; 2= 1966? ; 4= 1966 ; 1= 1967 ; 1= 1968??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):134

Museum "RadioMuseum Köln"

Collection of

Robert Gillespie (USA)

Shaun Merrigan (CDN)

Christian Schaufelberger (CH)

Aldo Patriarca (CH)

Patrice Zeissloff (F)

Emilio Ciardiello (I)

Georges Werts (B)

Collection of a member from FIN

Danko Tkalec (HR)

Frank Cuffe (IRL)

Karl - Heinz Bossan (D)

Oskar Elm (D)

Reinhard Riek (D)

Heinz Höger (D)

Collection of a member from D

Karlheinz Fischer (D)

Rudolf Osterkamp (D)

Perica Adnadevic (RS)

5642

Forum contributions about this tube

5642

Threads: 1 | Posts: 1

Hits: 3263 Replies: 0 5642
Perica Adnadevic 29.Aug.05	1 5642 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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5642

Common type USA tube/semicond.

Collection of