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QA2403Sensibly equivalent¶ to:See also:
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The QA2403 is a special quality industrial version of the Z77 or EF91 RF pentode. The build is such that the valve is resistant to shock and vibration.
The GEC logo. M-OV used the GEC brand for professional sales.The thin glass tube envelope is 17 mm in diameter, and excluding the B7G base pins is 47 mm tall.References: Advert. Type QA2403 was first introduced in 1953. See also 1953 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |  g1 | k | h | h | a | g3 | g2 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm | 
| 6.3 | 0.3 | 250 | 250 | -2 | 10 | 2.5 | 1M | 7.6 |
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Updated April 12, 2015.
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