Summary
5 volt indirectly heated cathode, manufactured by Standard Telephones and Cables, Radio Receiver Valves Division, England, 1938-1960.
Full wave rectifier with an indirectly heated cathode allowing close anode-cathode spacing, resulting in a low forward voltage drop hence improved efficiency.
Physical Description
Shouldered glass bulb on octal base with five pins present.
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, 1981
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Manufacturer
Standard Telephones & Cables Pty Ltd (S.T.C.), England, Great Britain, 1938-1960
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Inscriptions
Bulb: 5Z4/G/1D2 Base: BRIMAR/B.V.A./MADE IN ENGLAND/5Z4/G/4/2 5 Paper label: 5Z4G
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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
116 mm (Length), 44 mm (Outside Diameter)
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Keywords