Antique radios, Old Time Radios
5642
Country:
United States of America (USA)
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Brand:
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Developer: |
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Tube type: |
High-vacuum Rectifier Power-supply |
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Identical to |
5642
= SN956B
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Similar
Tubes |
Normally replaceable-slightly different:
DY70
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First Source
(s) |
20.Mar.1948 : Electron Tube Registration List 643
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Predecessor Tubes |
SN956B
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Base |
Wires only.
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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.
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Tube prices |
5 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973
Tube Lore (I)
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5642: Tektronix Skop 516
Heinz Höger
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5642: RTT Schwandt
Günther Stabe † 19.8.20
More ...
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5642: Manufacturer's Literature
Emilio Ciardiello
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):115
Collection of
Collection of a member from D Collection of a member from FIN
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Forum contributions about this tube
5642
Threads: 1 | Posts: 1
Hits: 3108 Replies: 0
5642
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Perica Adnadevic
29.Aug.05
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1
This is a high voltage diode. Characteristics: Ua=3600V Ia=2mA Ra=200kOhm
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5642
End of forum contributions about this tube
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