RCA type 6SF5 “Radiotron” high-Mu triode
date: label: date made
content: ca 1939
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A plastic 6-pin base with metal case. Stamped: “[RCA logo] / Radiotron / Made in U.S.A. / 6SF5”. Center post is broken exposing the exhause tip. Donor’s card reads: “High Mu triode made by the Radio Corporation of America. Metal envelope, heater type, 6.3 volts at .3 ampere. For use in resistance coupled amplifier circuits. 200 volts on the plate, 2 volts negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_6sf5.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324555
label: catalog number
content: 324555
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 1 1/2 in x 1 1/4 in; 3.81 cm x 3.175 cm