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506BUSensibly equivalent¶ to:
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The 506BU full wave rectifier from Cossor.![](../pics/acn0078a.jpg)
The twin rectifier sections.Thanks to Mark Mallison for sending the images.The balloon envelope is mm in diameter and excluding the B4 base pins, is mm tall.References: Data-sheet, Data & 1043. Type 506BU was first introduced in 1930. See also 1930 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | ![](../static/key.gif) a1 | a2 | f | f |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | mAa | ![](../static/pdflogo.gif)
| 4.0 | 1.0 | 250 | 60 |
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Updated January 19, 2023.
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