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| CV1728Sensibly equivalent¶ to:POVT190 WE262B | 
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 |  | The CV1728 is an indirectly heated triode. The prototype was the WE262B. The old GPO code is POVT190.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | tc | |  h | a | k | h | g1 | 
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 |   Absolute Maximum Operating Conditions¶
|  | Vh | Ah | Va | ra | gm | μ | | 
 | 10.0 | 0.32 | 180 | 17,250 | - | 15.5 | 
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 Updated November 11, 2017. |  |