Summary
General purpose triode manufactured in the United States of America.
In the 1920s, it would have been the most common electronic valve in the United States of America. It was used in most radios as an amplifier or detector.
On same display block as ST 15486.1.
Physical Description
Moulded baketlite base with 4 short pins (UV base). Silvered appearance to glass globe. On same display block as ST 15486.1
More Information
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Collection Names
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Collecting Areas
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Manufactured For
Radiotron (RCA), Newark, New Jersey, United States of America, circa 1926
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Inscriptions
On the side of the base: Radiotron UV201-A (plus license notification) The display block reads: TRIODE (General Purpose) 201-A R. C. A. Radiotron Directly heated cathode, 5V, 0.25 amps. Amplification factor 8 Plate resistance 10,000. This valve was widely used in its day. Base UV. Was also extensively used with UX type base
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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
115 mm (Length), 45 mm (Outside Diameter)
Approximate
