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| CV1397Sensibly equivalent¶ to: | 
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 |  | The CV1397 is a six inch electro-statically deflected CRT with a long persistence phosphor. The old Army service code is ACR21.Reference: Data-sheet. | 
 |   Absolute Maximum Operating Conditions¶
| CRT | Vh | Ah | Va | | 
 | 4.0 | 1.0 | 6,000 | 
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 Updated October 21, 2017. |  |