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| CV1205Sensibly equivalent¶ to:2587T E1007 NT17 | 
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 |  | The CV1205 is a directly heated transmitting triode. The prototype was the 2587T and the old service code was for the Navy as NT17.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 | 2.5 | 400 | 2,100 | 2.6 | 5.0 | 
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 Updated March 31, 2015. |  |