Raytheon type 2-J-50 cavity magnetron
date: label: date made
content: ca 1943
name: label: maker
content: Raytheon Manufacturing Company
notes: label: Description (Brief)
content: A metal assembly with glass tube on top, wave guide to one side. Stamped: “2J50 / A 0762”. Donor’s card reads: “Cavity magnetron made by Raytheon for the US government during World War II. Used in radar equipment. Fixed frequency type 8740 to 8890 megacycles in pulsed service. Heater type: 6.3 volts at 1 ampere. Anode voltage 16000 at 16 amperes, duty cycle .0012 maximum. Typical operation 12 amperes on the anode, 5400 field gauss, 1 microsecond pulses at 1000 PRS for an output of 25 kw.
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.325231
label: catalog number
content: 325231
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: magnetron
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 6 1/4 in x 5 1/2 in x 3 in; 15.875 cm x 13.97 cm x 7.62 cm