Heintz & Kaufmann type 253 half wave rectifier
date: label: date made
content: ca 1943
name: label: maker
content: Heintz & Kaufman Ltd.
notes: label: Description (Brief)
content: A 4-pin metal base with top contact, T-shaped envelope. Stamped: Heintz & Kaufmann / 253”. Donor’s card reads: “Half wave rectifier made by Heintz and Kaufmann, South San Francisco, Calif. Dates from World War II. Filament: 5 volts at 10 amperes. 15000 volts maximum inverse peak anode voltage, maximum anode current 350 milliamperes.”
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.324711
label: catalog number
content: 324711
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 8 3/4 in x 2 3/8 in; 22.225 cm x 6.0325 cm