RCA type 0Z4 full-wave gas rectifier
date: label: date made
content: ca 1940
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A full-wave, cold-cathode rectifier for a power supply. A metal case with 5-pin plastic base. Marked: "RCA / 0Z4". Donor card reads: "Full wave gas rectifier made by the Radio Corporation of America, from 1935 or before. A metal tube, the OZ-4 is made for use in vibrator type “B” voltage supply units. Has an ionically heated cathode and requires a minimum of 300 volts to start its action. Average voltage drop in this tube is 24 volts, the average DC voltage is 200 at a maximum of 75 milliamperes. See also: https://www.radiomuseum.org/tubes/tube_0z4.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.324497
label: catalog number
content: 324497
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Object Name
content: rectifier
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/4 in x 1 1/4 in; 5.715 cm x 3.175 cm