The striking voltage is 420 V, and four gaps exist within the bell cathode. The regulated voltage is high at 280 V. The tube current is 10 - 70 mA, and the regulation is 4 Volts per gap, or 1.4%.
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B5 |
1 |
2 |
3 |
4 |
5 |
a(4) |
k |
a(2) |
a(3) |
a(1) |