Antique radios, Old Time Radios
CV4021
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Country:
United States of America (USA)
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| Identical to |
CV4021
= 3B24W
= 3B24WA
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| Similar
Tubes |
Other class quality (otherwise equal):
3B24
; CV812
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 5 Volts / If 3 Ampere / Direct / Specified voltage AND current AC/DC |
| Description |
20 kV PIV, 60mA average anode current. The tube has two filaments which can be parallel connected, requiring 6A at 2.5V; operation with a single filament is also possible at reduced anode current.
Ruggedized 3B24W.
Text in other
languages (may
differ)
|
| Information source |
- - Manufacturers Literature
-- Original-techn. papers.
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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CV4021: arrl Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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