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9001 is a miniature sharp cut-off UHF penthode valve (tube), introduced in
1941 by the Radio Corporation of America (RCA).
Due to its small size and dense internal construction, it is suitable for use
on Ultra High Frequencies (UHF). It was commonly
used in the RF and IF receiver stages.
➤ 9001 datasheet
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Vh 6.3 V Ih 150 mA Va 250 V Vg2 100 V Ig2 0.7 mA Vg1 -3 V Ia 2 mA Ra 1 MΩ Base B7G Frequency UHF Diameter 18 mm Height 37 mm
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- 954 acorn valve (different base)
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© Crypto Museum. Created: Tuesday 28 April 2026. Last changed: Tuesday, 28 April 2026 - 08:58 CET.
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