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Technical Data Sheet
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M39018/03-1202M — Technical Data Sheet

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— · 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: 1.125 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN, body_diameter: 0.758 INCHES NOMINAL IN, terminal_length: 2.500 INCHES NOMINAL IN, terminal_diameter: 0.040 INCHES NOMINAL IN, reliability_indicator: ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-145-5166, 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→ M39018/03-1202M
NSN: 5910-01-145-5166
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_length1.125 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
body_diameter0.758 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
NSN5910-01-145-5166
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN M39018/03-1202M MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY STYLE: W/O MTG FACILITIES, AXIAL TERMINALS
•
BODY LENGTH: 1.125 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
•
DC LEAKAGE AT MAXIMUM OPERATING TEMP: 212.0 MICROAMPERES
•
TOLERANCE RANGE PER SECTION: -10.00 TO 30.00 PERCENT SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
•
TERMINAL LENGTH: 2.500 INCHES NOMINAL IN
•
BODY DIAMETER: 0.758 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)
BODY STYLEW/O MTG FACILITIES, AXIAL TERMINALS
BODY LENGTH1.125 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
DC LEAKAGE AT MAXIMUM OPERATING TEMP212.0 MICROAMPERES
TOLERANCE RANGE PER SECTION-10.00 TO 30.00 PERCENT SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
TERMINAL LENGTH2.500 INCHES NOMINAL IN
BODY DIAMETER0.758 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS9.3
ELECTRICAL POLARIZATIONPOLARIZED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M39018/03-0702Interchangeable
interchangeable cross-reference
interchangeable
M39018/03-0602Interchangeable
interchangeable cross-reference
interchangeable
MILC0039018-3Interchangeable
interchangeable cross-reference
interchangeable
K1000A6KInterchangeable
interchangeable cross-reference
interchangeable
M39003/03-4014Interchangeable
interchangeable cross-reference
interchangeable
712ITT03220SAAJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M39018/03-1202M?
M39018/03-1202M is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace M39018/03-1202M?
There are 12 known substitutes for M39018/03-1202M: M39018/03-0702, M39018/03-0602, MILC0039018-3 and 9 more. Substitute compatibility should be verified for your specific system.
Is M39018/03-1202M still available?
M39018/03-1202M is currently cancelled.
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Last verified: September 2026