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RK39Sensibly equivalent¶ to:See also:
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The RK39 is yet another designation for the valve most commonly known as the 807 beam tetrode. The parameters given are for single ended use. When used in a class AB1 as a push pull pair with 600 volts on the anode an output power of 65 Watts was normal.![](../pics/aaa1422a.jpg)
The anode side view.The classic envelope is 51 mm in diameter, and excluding the UX5 base pins is 125 mm tall.References: Data-sheet & 1040. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | tc | ![](../static/key.gif) h | g2 | g1 | k | h | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | Pout | ![](../static/pdflogo.gif)
| 6.3 | 0.9 | 300 | 250 | -14 | 83 | 8 | 20k | 6.5 | 6.7W |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | mAg | Pdriv | Pdiss | Pout | freq | f.max | ![](../static/key.gif)
| 6.3 | 0.9 | 600 | 250 | -45 | 100 | 7 | 3.5 | 0.2W | 25W | 40W | 60 | 125 |
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Updated January 13, 2013.
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