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.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Purchase & Subsequent Transfer from Science Museum of Victoria (SMV), 01 Aug 1971
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Manufacturer
English Electric Valve Company, Chelmsford, Essex, England, Great Britain, 1953
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Inscriptions
Bulb: CV287/KB-Q/(broad arrow)/JA Side of box: VALVE ELECTRONIC/CV287/G Side of box: Out 16-1-68 End of box in pencil: CV287/150B3
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
79 mm (Width), 28 mm (Depth), 28 mm (Height)
Dimensions of box containing valve.
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Part Dimensions
51 mm (Length), 18 mm (Outside Diameter)
Dimensions of valve only.
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Keywords