Summary

Cold-cathode diode used as a shunt voltage regulator. Its operating voltage is 150V. Approximate commercial equivalents include the QS150/15, 150B3 and 150A2.

Manufacturer: English Electric Valve Company, Chelmsford, England

Physical Description

Tubular glass bulb on seven pin miniature glass button base with top exhaust tip. Valve is contained in rectangular buff coloured cardboard box with internal cardboard packing.

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