The EAF801 is a replacement for the EAF81 and the vari-μ pentode is designed for RF and IF amplification in superhet receivers.Zaerix specialised in supplying valves made in eastern Europe and this one was made in Hungary.
The electrostatic screen obscures all internal detail.The thin glass tube envelope is 21 mm in diameter, and excluding the B9A base pins is 60 mm tall.Reference: Data-sheet. Type EAF801 was first introduced in 1963. See also 1963 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |  g2 | g1 | k | h | h | a | s | a(d) | g3 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.3 | 250 | 250 | -20 | 9.0 | 2.7 | 0.9M | 4.5 |
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Updated July 19, 2020.
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