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Technical Data Sheet
PartsTable / MRO / MILC39018-1
MILC39018-1 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 2.391 INCHES MAXIMUM IN, body_diameter: 0.383 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, terminal_diameter: 0.032 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-005-3085, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ MILC39018-1
NSN: 5910-00-005-3085
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length2.391 INCHES MAXIMUM IN
body_diameter0.383 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
terminal_diameter0.032 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN5910-00-005-3085
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN MILC39018-1 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 22.000 MICROFARADS SINGLE SECTION
•
ELECTRICAL POLARIZATION: POLARIZED
•
BODY DIAMETER: 0.383 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -10.00 TO 30.00 PERCENT SINGLE SECTION
•
ANODE TYPE: PLAIN FOIL
•
TERMINAL DIAMETER: 0.032 INCHES NOMINAL IN
•
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS: 140.0
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
CAPACITANCE VALUE PER SECTION22.000 MICROFARADS SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
BODY DIAMETER0.383 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 30.00 PERCENT SINGLE SECTION
ANODE TYPEPLAIN FOIL
TERMINAL DIAMETER0.032 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS140.0
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
BODY LENGTH2.391 INCHES MAXIMUM IN
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M39018-01-0537Interchangeable
interchangeable cross-reference
interchangeable
M39018/01-0637Interchangeable
interchangeable cross-reference
interchangeable
MILC39018-1Interchangeable
interchangeable cross-reference
interchangeable
M39018-01-1137MInterchangeable
interchangeable cross-reference
interchangeable
M39018/01-1037MInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-39018/1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC39018-1?
MILC39018-1 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace MILC39018-1?
There are 14 known substitutes for MILC39018-1: M39018-01-0537, M39018/01-0637, MILC39018-1 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC39018-1?
MILC39018-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-005-3085. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026