Svenska type 7150 tetrode
notes: label: Description (Brief)
content: A 9-pin glass base, bottom tipped, T-shaped envelope. Stamped: “7150 / LM Sweden". Donor’s card reads: “Tetrode made by Svenska Elektronror, a subsidiary of Telefonaktiebolaget L. M. Ericsson of Stockholm, Sweden. Used in broad band amplifiers from audio frequency up to 300 megacycles. Contact pins are gold plated. A top quality tube made only for Ericsson. Guaranteed life of 10000 hours with controlled heater voltage. Heater type 6.3 volts at .45 ampere. Plate voltage 135 at 24 milliamps.” See also: https://www.radiomuseum.org/tubes/tube_7150.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.325191
label: catalog number
content: 325191
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 1 3/4 in x 1 in; 4.445 cm x 2.54 cm