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| CV49Sensibly equivalent¶ to:3B/501A | 
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 |  | The CV49 is a transmitting triode with the control grid brought out to a side contact. The commercial prototype was the 5B/501A.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | tc | |  f | nc | nc | f | a | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | | 
 | 5.0 | 5.15 | 2,000 | 
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 Updated January 08, 2022. |  |