Summary
6V4 dual diode, maker is unknown, but is probably Philips, Australia.
It was full wave rectifier in electronic power supplies, with an output of 70 ma per plate.
It had a 6.3 volt indirectly heated cathode.
Physical Description
Noval (nine pin) tube.
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 (Probable)
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Inscriptions
On bulb: N20
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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
76 mm (Length), 22 mm (Outside Diameter)
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Keywords