EIMAC type 250-TL triode
name: label: maker
content: Eimac
notes: label: Description (Brief)
content: A 4-pin metal base with ceramic insulator, top and side contacts, G-shaped envelope. Donor’s card reads: “Triode made by Eitel-McCullough of San Carols, California. A low Mu triode having a maximum plate dissipation of 250 watts, for use as an amplifier, oscillator, or modulator, at maximum power up to 40 megacycles. Thoriated tungsten filament: 5 volts at 105 amperes. Typical Class C operation, 3200 volts at 280 milliamps on the plate, 520 volts negative control grid bias, for an output of 435 watts.” See also: https://www.radiomuseum.org/tubes/tube_250tl.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.325237
label: catalog number
content: 325237
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: 9 3/4 in x 3 3/4 in; 24.765 cm x 9.525 cm