Summary
A diode, manufactured for the British Air Ministy by Mazda, United Kingdom, introduced in the late 1930s and used as a high voltage rectifier probably in radar.
It had a 2.0 volt indirectly heated cathode and was used as half-wave rectifier.
Physical Description
Mazda octal base with four pins and with top cap.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source, 17 Feb 1972
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Manufacturer
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Manufactured For
United Kingdom: Air Ministry, England, Great Britain, 1938-1945
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Inscriptions
MAZDA VALVE U22 MADE IN ENGLAND BVA Air Ministry stamp: A'crown'M
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Brand Names
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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
95 mm (Length), 30 mm (Outside Diameter)
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Keywords