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MIL-PRF-39018


Capacitors, Fixed, Electrolytic (Aluminum Oxide), Established Reliability and Non-Established Reliability, General Specification for FSC: 5910

This specification covers the general requirements for established reliability (ER) and non-ER, aluminum oxide, electrolytic, fixed capacitors. Capacitors meeting the ER requirements of this specification have reliability established on the basis of life tests performed at rated voltage at 85°C for failure rate (FR) levels ranging from 1.0 percent to 0.001 percent per 1,000 hours in accordance with MIL-STD-690. These FR levels are established at a 60 percent confidence level and are maintained at a 10 percent producer's risk.



Points of Contact:

Capacitor/Filter Group Phone: 614-692-YYYY Email: CapacitorFilter@dla.mil
Document Downloads

Capacitors, Fixed, Electrolytic (Aluminum Oxide), Established Reliability and Non-Established Reliability, General Specification for Revision: H, Dated: 25 September 2026 File Name: prf39018.pdf, File Size: 337 kb


MIL-PRF-39018 List of Associated Specifications
Dated: 25 September 2026
File name: prf39018sup1.pdf, File Size: 55 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU12 (Uninsulated), CU13 (Insulated), and CUR13 (Insulated)
Dated: 09 August 2021
File name: prf39018ss1.pdf, File Size: 391 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU12 (Uninsulated), CU13 (Insulated), and CUR13 (Insulated)
Dated: 19 October 2026
File name: idprf39018ss1.pdf, File Size: 483 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Nonpolarized), Styles CU14 (Uninsulated) and CU15 (Insulated)
Dated: 09 August 2021
File name: prf39018ss2.pdf, File Size: 123 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Nonpolarized), Styles CU14 (Uninsulated) and CU15 (Insulated)
Dated: 19 October 2026
File name: idprf39018ss2.pdf, File Size: 413 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU16 (Uninsulated), CU17 (Insulated), and CUR17 (Insulated)
Dated: 03 October 2022
File name: prf39018ss3.pdf, File Size: 376 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU71 (Insulated and CUR71 (Insulated)
Dated: 09 February 2021
File name: prf39018ss4.pdf, File Size: 152 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU71 (Insulated and CUR71 (Insulated)
Dated: 19 October 2026
File name: idprf39018ss4.pdf, File Size: 460 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), (Stacked Foil), Non-Established Reliability and Established Reliability, Style CU81 (Insulated) and CUR81 (Insulated) (Cancellation Notice)
Dated: 14 January 2005
File name: mil39018ss5not2.pdf, File Size: 11 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Established Reliability, Style CUR91 (Insulated)
Dated: 09 August 2021
File name: prf39018ss6.pdf, File Size: 189 kb

Capacitor, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Established Reliability, Style CUR91 (Insulated)
Dated: 19 October 2026
File name: idprf39018ss6.pdf, File Size: 501 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), (Four-Terminal), Established Reliability Style CUR19 (Insulated)
Dated: 09 August 2021
File name: prf39018ss7.pdf, File Size: 206 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), (Four-Terminal), Established Reliability Style CUR19 (Insulated)
Dated: 19 October 2026
File name: idprf39018ss7.pdf, File Size: 502 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Non-Established Reliability and Established Reliability, Styles CU01 (Insulated) and CUR01 (Insulated) (Cancellation Notice)
Dated: 14 January 2005
File name: mil39018ss8not2.pdf, File Size: 11 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Established Reliability, Style CUR02 (Insulated) (Cancellation Notice)
Dated: 14 January 2005
File name: mil39018ss9not2.pdf, File Size: 11 kb

Capacitors, Fixed, Electrolytic (Aluminum Oxide) (Polarized), Established Reliability, Style CUR92 (Insulated)
Dated: 11 October 2019
File name: prf39018ss10.pdf, File Size: 210 kb

Capacitors, Fixed, Electrolytic, (Aluminum Oxide) (Polarized), Nonestablished Reliability and Established Reliability, Styles CU72 (Insulated) and CUR72 (Insulated) (Cancellation Notice)
Dated: 11 August 2000
File name: prf39018ss12not1.pdf, File Size: 2 kb

Capacitors, Fixed, Electrolytic, (Aluminum Oxide) (Polarized), Established Reliability, Style CUR22 (Insulated) (Cancellation Notice)
Dated: 11 August 2000
File name: prf39018ss13not1.pdf, File Size: 2 kb

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