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SP42Sensibly equivalent¶ to:See also:
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The SP42 is an HF pentode for use in the video output stage in early television receivers.Thanks to Leif Ekornrxd (LA9IM) for the picture. Click here for Leif's site.The classic envelope is 32 mm in diameter, and excluding the MO base pins is 76 mm tall.References: Data-sheet, 1040 & 1043. Type SP42 was first introduced in 1938. See also 1938 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | tc |  h | k | a | g2 | g3 | m | nc | h | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vs | Vg | mAa | mAs | gm | 
| 4.0 | 0.95 | 200 | 200 | -1.5 | 20.0 | 5.0 | 9.0 |
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Updated January 06, 2022.
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