Summary
High voltage half wave rectifier. Used in the EHT supply for cathode ray tube displays used in radar and instruments.
The JAN-CNU prefix to the type number on the base indicates that the valve was made to Joint Army Navy (JAN) specifications and that the manufacturer was National Union (CNU).
Manufactured by National Union Radio Corporation, Orange, NJ, USA.
2.5 V indirectly heated cathode.
Physical Description
Small shouldered bulb (with top cap) on 4 pin UX style base.
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
National Union Radio Corporation, Orange, New Jersey, United States of America, 1940-1949
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Inscriptions
Bulb: 2X2/879 Base: National Union/Made in USA/JAN-CNU-2X2/879/VT-119
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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
113 mm (Length), 38 mm (Outside Diameter)
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Keywords