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Technical Data Sheet
PartsTable / MRO / M39003-01-2856
M39003-01-2856 ✓ 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: SOLID, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.686 INCHES NOMINAL IN, body_diameter: 0.274 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN, terminal_length: 1.500 INCHES NOMINAL IN, special_features: WEIBULL GRADED FAILURE RATE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-189-2444, 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→ M39003-01-2856
NSN: 5910-00-189-2444
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
anode_typeSOLID
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.686 INCHES NOMINAL IN
body_diameter0.274 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
terminal_length1.500 INCHES NOMINAL IN
special_featuresWEIBULL GRADED FAILURE RATE
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp50.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NSN5910-00-189-2444
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN M39003-01-2856 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-39003/1 GOVERNMENT SPECIFICATION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
DC LEAKAGE AT MAXIMUM OPERATING TEMP: 60.0 MICROAMPERES
•
TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN
•
ANODE TYPE: SOLID
•
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 12.000 MICROFARADS SINGLE SECTION
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)
SPECIFICATION/STANDARD DATA81349-MIL-C-39003/1 GOVERNMENT SPECIFICATION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
DC LEAKAGE AT MAXIMUM OPERATING TEMP60.0 MICROAMPERES
TERMINAL DIAMETER0.025 INCHES NOMINAL IN
ANODE TYPESOLID
TERMINAL LENGTH1.500 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION12.000 MICROFARADS SINGLE SECTION
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
TEST DATA DOCUMENT81349-MIL-C-39003 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MIL-E-16366Interchangeable
interchangeable cross-reference
interchangeable
321147Interchangeable
interchangeable cross-reference
interchangeable
MS21003-20Interchangeable
interchangeable cross-reference
interchangeable
100320Interchangeable
interchangeable cross-reference
interchangeable
2-119-E688-70Interchangeable
interchangeable cross-reference
interchangeable
2-119E540-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39003-01-2856?
M39003-01-2856 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M39003-01-2856?
There are 21 known substitutes for M39003-01-2856: MIL-E-16366, 321147, MS21003-20 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M39003-01-2856?
M39003-01-2856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-189-2444. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026