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HP4106Sensibly equivalent¶ to:E447 S434N
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The Tungsram HP4106 is a variable-μ Rf pentode. It was made with both B5 and B7 base caps and both types were released in 1935.
The reverse of the envelope is plain gold coloured zinc paint.The classic envelope is 51 mm in diameter, and excluding the B5 base pins is 129 mm tall.Reference: 1043. Type HP4106 was first introduced in 1935. See also 1935 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | tc |  g2 | g1 | h | h | k,g3 | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | μ |
| 4.0 | 1.0 | 500 | 100 | -2 | 5.0 | 1.25 | 1.2M | 3.5 | |
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Updated January 15, 2015.
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