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| CV1655Sensibly equivalent¶ to:3A/107B 4019B 425XP AR11 POVT75 | 
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 |  | The CV1655 is a directly heated triode based on the 4019B. The old GPO code is POVT75 and the Army code was AR11.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 | 0.25 | 190 | 5,500 | 1.27 | 7 | 
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 Updated October 28, 2017. |  |