Tung-Sol type 12SC7 high-Mu twin triode
date: label: date made
content: ca 1940
name: label: maker
content: Tung-Sol
notes: label: Description (Brief)
content: An 8-pin base with plastic insulator and center post, metal T-shaped envelope. Stamped: “12SC7 / Tung-Sol / Made in U.S.A. / 32256”. Donor’s card reads: “ High-Mu twin triode made by Tung-Sol Electric Company. Metal type used as phase inverter in radio equipment. Each unit may also be used in voltage amplifier circuits. Except for common cathode, each triode is independent of the other. Identical with the type 6-SC-7 [catalog number 324557]. Heater type: 12.6 volts at .15 ampere.” See also: https://www.radiomuseum.org/tubes/tube_12sc7.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.325270
label: catalog number
content: 325270
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: dual triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm