The Schickerling S-400 is unusual in that it has a nickel Shaw base cap.The internal silvering indicates a hard valve that has been gettered.Thanks to Joe Gruber for sending the image.The envelope is mm in diameter and, excluding the UV base pins, is mm tall.Reference: Joe Gruber. |
Pin Connections
| 1 | 2 | 3 | 4 |  g1 | f | f | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va |
| 5.0 | 1.0 | 45-90 |
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Updated February 12, 2021.
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