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TH22CSensibly equivalent¶ to:
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The TH22C is a 200 mA heater version of the TH4A that features a 4.0 Volt 1.5 Amp heater. The valve is a triode hexode designed for frequency changer service in superhet receivers.The classic envelope is 47 mm in diameter and, excluding the B7 base pins, is 121 mm tall.References: Data-sheet & 1043. Type TH22C was first introduced in 1937. See also 1937 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | a(t) | g1(t),g3 | g2,g4 | h | h | m,k | a | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 29.0 | 0.2 | 275 | 100 | -2.5 | 3.25 | 7.0 | 1.5M | 0.75 |
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Absolute Maximum Operating Conditions¶
| Va | mAa |
| 100 | 22.0 |
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Updated December14, 2012.
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