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Technical Data Sheet
PartsTable / MRO / M39018-03-0620
M39018-03-0620 ✓ 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 body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN, body_diameter: 1.008 INCHES NOMINAL IN, terminal_length: 2.500 INCHES NOMINAL IN, terminal_diameter: 0.040 INCHES NOMINAL IN, reliability_indicator: ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-115-0178, 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→ M39018-03-0620
NSN: 5910-01-115-0178
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
body_diameter1.008 INCHES NOMINAL IN
terminal_length2.500 INCHES NOMINAL IN
terminal_diameter0.040 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-39018/3 GOVERNMENT SPECIFICATION
NSN5910-01-115-0178
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN M39018-03-0620 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
RELIABILITY INDICATOR: ESTABLISHED
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
•
BODY DIAMETER: 0.625 INCHES NOMINAL IN
•
DC LEAKAGE AT MAXIMUM OPERATING TEMP: 367.0 MICROAMPERES
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 15.0 DC SINGLE SECTION
•
ELECTRICAL POLARIZATION: POLARIZED
•
TERMINAL LENGTH: 2.500 INCHES NOMINAL IN
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)
RELIABILITY INDICATORESTABLISHED
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
BODY DIAMETER0.625 INCHES NOMINAL IN
DC LEAKAGE AT MAXIMUM OPERATING TEMP367.0 MICROAMPERES
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION15.0 DC SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
TERMINAL LENGTH2.500 INCHES NOMINAL IN
TERMINAL DIAMETER0.040 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 30.00 PERCENT SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-C-39018/1Interchangeable
interchangeable cross-reference
interchangeable
M39018/01-0720Interchangeable
interchangeable cross-reference
interchangeable
M39018/01-0620Interchangeable
interchangeable cross-reference
interchangeable
M39018/03-0720Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-39018/3Interchangeable
interchangeable cross-reference
interchangeable
34D108H015HL4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39018-03-0620?
M39018-03-0620 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M39018-03-0620?
There are 15 known substitutes for M39018-03-0620: MIL-C-39018/1, M39018/01-0720, M39018/01-0620 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M39018-03-0620?
M39018-03-0620 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-115-0178. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026