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CV1639Sensibly equivalent¶ to:3A/141A 3A/141AY 4101E POVT31B
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The CV1639 is a directly heated spherical telephone repeater triode on the GPO bayonet base. The prototype was the 4101E. The old GPO code is POVT31B.Reference: Data-sheet. |
Pin Connections
| 1 | 2 | 3 | 4 |  g1 | f | f | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | ra | gm | μ | 
| 4.5 | 1.0 | 190 | 6,000 | | 6 |
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Updated October 28, 2017.
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