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6P25Sensibly equivalent¶ to:See also:
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The 6P25 is an output valve, for frame timebase or audio. The electrodes are obscured by the coating on the glass. The 6P25 is pin compatible with the KT61 etc.![](../pics/aby0004a.jpg)
The identification is etched into the dome of the envelope.The classic envelope is 45 mm in diameter and, excluding the IO base pins, is 107 mm tall.References: Data-sheet & 1040. Type 6P25 was first introduced in 1948. See also 1948 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ![](../static/key.gif) m | h | a | g2 | g1 | nc | h | k |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | rk | rl | Pout | D | ![](../static/pdflogo.gif)
| 6.3 | 1.1 | 250 | 250 | -8.5 | 40.0 | 8.0 | 40,000 | 8.8 | 180 | 5,000 | 4.5 | 7% |
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Updated January 07, 2022.
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