Summary
Directly heated power output pentode. Could produce an output of 2.8 watts in class A at its maximum 300 V plate supply. 4 V directly heated cathode, manufactured by Philips, Holland.
Philips, the developer of the pentode, used the spelling 'penthode' for some years.
Physical Description
Conical glass bulb with five pin UY 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, 1981
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Manufacturer
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Inscriptions
Paper label on base: C443 Bulb: PHILIPS/PENTHODE/C443/4V*MINIWATT 300V/MADE IN HOLLAND
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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
102 mm (Length), 50 mm (Outside Diameter)
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Keywords