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| CV1659Sensibly equivalent¶ to:3A/110B 4022B POVT81 | 
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 |  | The CV1659 is a directly heated triode with a maximum anode dissipation of 2.5 Watts. The prototype was the 4022B. The old GPO code is POVT81.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | |  a | g1 | f | f | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | ra | μ | | 
 | 4.0 | 0.25 | 160 | 5,500 | 12 | 
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 Updated April 14, 2019. |  |