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X119Sensibly equivalent¶ to:10C14 19D8 UCH81
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The X119 is a triode heptode frequency changer for use in AC/DC mains equipment. The heater is designed for use on 100 mA heater chains. This valve would be most likely found in domestic broadcast radio receivers.The outer screen with holes giving some view of the internal structure. The B9A base pins.Thanks to Mark Mallison for sending the images.The thin glass tube envelope is mm in diameter and, excluding the B9A base pins, is mm tall.References: Data-sheet & 1040. Type X119 was first introduced in 1958. See also 1958 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | g2,g4 | g1 | k,g5,s | h | h | a | g3 | a(t) | g1(t) |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 19.0 | 0.1 | 200 | 120 | -2.6 | 3.7 | 8.1 | 1.0M | 0.78 |
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Absolute Maximum Operating Conditions¶
| Va | mAa |
| 100 | 13.5 |
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Updated January 11, 2024.
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