The Hivac D210SW is a battery triode with a ceramic base and a rich Gold metallisation. It dates from 1936 when Hivac introduced their SW or Short Wave versions of earlier valves. The ceramic base was made from 'Frequentite'. With a 2 Volt filament was designed to be heated from an accumulator supply.The classic envelope is 37 mm in diameter, and excluding the B4 base pins, is 110 mm tall.Reference: 1043. Type D210SW was first introduced in 1936. See also 1936 adverts. |
Pin Connections
| 1 | 2 | 3 | 4 | tc |  a | nc | f | f | g1 |
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Absolute Maximum Operating Conditions¶
| Vh | Ah | Va | Vg | mAa | ra | gm | 
| 2.0 | 0.1 | 150 | -4.5 | 2.4 | 12,000 | 1.35 |
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Updated January 03, 2022.
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