The 5814A is a medium μ double triode closely related to the 12AU7 but made to a MIL spec especially for electro insulation.The KB/DC identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the DC identifies the maker as Mullard Radio Valve Co., Whyteleafe.The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 47 mm tall.Reference: Data-sheet. Type 5814A was first introduced in 1954. See also 1954 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  a(2) | g1(2) | k(2) | h | h | a(1) | g1(1) | k(1) | hct |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | gm | 
| 6.3 | 0.3 | 250 | -8.5 | 10.5 | 2.2 |
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Updated November 02, 2024.
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