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12SH7Sensibly equivalent¶ to:See also:
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The 6SH7 type was designed for wideband RF and IF amplification and has a relatively high gm value to ensure a good gain-bandwidth product. The 12SH7 differs only in heater requirement and was made for vehicle based equipment.![](../pics/aaa1705a.jpg)
The RCA logo.The thin metal tube envelope is 25 mm in diameter and, excluding the IO base pins, is 51 mm tall.Reference: 1043. Type 12SH7 was first introduced in 1945. See also 1945 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ![](../static/key.gif) m | h | k | g1 | k | g2 | h | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | ![](../static/pdflogo.gif)
| 12.6 | 0.15 | 250 | 150 | -1.5 | 10.8 | 4.1 | 0.9M | 4.9 |
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Updated January 10, 2017.
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