Antique radios, Old Time Radios
UV202
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Country:
United States of America (USA)
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| Identical to |
UV202
= C302
= D402_deForest
= 402
= 5watt
= 202
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| Similar
Tubes |
Normally replaceable-slightly different:
PR-2-A
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| First year |
Jul.1921
Saga of the Vacuum Tube, Tyne page 323ff
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 7.5 Volts / If 2.35 Ampere / Direct / Battery = |
| Description |
Work started on development of this tube at the G E Laboratories in the Spring of 1920. and the type number was assigned to it in November 1920. It was announced in March 1921 and the type number UV202 was registered by RCA as a radio trade markwith the US Government on 6th June 1922, being allocated no 155804. The tube was also branded Cunningham C302 and it was also made by a very few other tube manufacturers.
Output 5 Watts.
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
x 132 x 54 mm / x 5.20 x 2.13 inch |
| Weight |
70 g / 2.47 oz |
| Tube prices |
12 Tube prices (visible for members
only)
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| Information source |
Saga of the Vacuum Tube, Tyne Pages 323, 325-326
- - Manufacturers Literature Development of Radiotron transmiting tubes to 1930
Tube Lore (II)
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UV202: "The Radio Industry. The Story of Its Development", Chicago & New York, 1928; p. 260.
Karl Dilcher
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UV202: own collection
Peter den Boer
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Just Qvigstad
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UV202: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
Collection of
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Variants
And no tip.
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