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CV1038Sensibly equivalent¶ to:41MLF MHL4 NR26 POVT91 VR38 VT91
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The CV1038 is a medium impedance triode used professionally but rarely commercially. The CV1038 was the common valve designation that replaced the previous individual service and government Type designations for the commercial MHL4. Previously known as NR26, VR38 and POVT91.
The top mica with a single hairpin heater in a rectangular cathode.The classic envelope is 44 mm in diameter, and excluding the B5 base pins is 97 mm tall.Reference: Data-sheet. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 |  a | g1 | h | h | k |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | 
| 4.0 | 1.0 | 250 | -8 | 8.0 | 8,000 | 2.5 |
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Updated July 22, 2025.
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