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| CV1651Sensibly equivalent¶ to:G455B POVT68 | 
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 |  | The CV1651 is a directly heated triode based on the G445B. The old GPO code is POVT68.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 | gm | μ | | 
 | 4.0 | 0.45 | 150 | 5,000 | 1.9 | 9.5 | 
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 Updated October 28, 2017. |  |