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VP4BSensibly equivalent¶ to:
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The VP4B is a variable μ pentode for RF and IF amplifier use. The image shows the zinc screening paint starting to peel from the base.![](../pics/aaq0134a.jpg)
The box design is the same as that for the HL2 with a red printed base.The classic envelope is 38 mm in diameter and, excluding the B7 base pins, is 95 mm tall.References: Data-sheet, 1040 & 1043. Type VP4B was first introduced in 1935. See also 1935 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | ![](../static/key.gif) m | a | g3 | h | h | k | g2 | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | ![](../static/pdflogo.gif)
| 4.0 | 0.65 | 250 | 250 | -3 | 11.5 | 4.25 | - | 2.0 |
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Thanks to Andy Cowley for supplying the above PDF datasheet. |
Updated October 07, 2020.
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