Western Electric / Navy type 312-A / CW-38412 pentode
date: label: date made
content: ca 1943
name: label: associated user
content: unknown
label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 6-pin plastic base with top contact, T-shaped envelope. Stamped: “U.S. Navy / Tube CW-38412”. Donor’s card reads: “Pentode made by the Western Electric Company for the US Navy during World War II. Navy number CW-38412. Thoriated tungsten filament 10 volts at 2.8 amps. As a Class C radio frequency amplifier, plate voltage 1000 at 90 milliamps, 40 volts on the suppressor grid, 90 volts negative control grid bias, with 1 watt drive, this tube will give an radio frequency output of 65 watts.”
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.325183
label: catalog number
content: 325183
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 2 1/4 in; 19.05 cm x 5.715 cm