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220IPTSensibly equivalent¶ to:
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The Cossor 220IPT is also the CV1333 previously called the ARP14. The latter being read as Army Receiving Pentode number 14. The 220IPT is a pre-war battery HF pentode for receiver use. The the rear of the bulb is plain zinc paint.The classic envelope is 39 mm in diameter, and excluding the B7 base pins is 94 mm tall.References: Data-sheet & 1043. Type 220IPT was first introduced in 1938. See also 1938 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | tc | m | g1 | nc | h | h | k,g3 | g2 | a |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | ra | gm |
| 2.0 | 0.21 | 150 | 80 | -1 | 2.0 | 0.5 | 0.4M | 1.0 |
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Updated January 09, 2022.
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