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1F5GSensibly equivalent¶ to:1F5 CV768 KL35
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The 1F5G is a battery audio output valve. It is identical electrically to the 1F4, the difference being that the 1F4 is on a UX5 base.The anode load for use in single ended circuits is 16,000 Ohms. A cathode resistor value is not given.The classic envelope is 43 mm in diameter and, excluding the IO base pins, is 96 mm tall.References: Data-sheet & 1043. Type 1F5G was first introduced in 1936. See also 1936 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | nc | f+ | a | g2 | g1 | nc | f- | nc |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | Pout | D |
| 2.0 | 0.12 | 135 | 135 | -4.5 | 8.0 | 2.4 | 0.2M | 1.7 | 0.31 | 5% |
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Updated January 07, 2022.
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