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Technical Data Sheet
PartsTable / MRO / CM40C512J
CM40C512J ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES, body_width: 0.312 INCHES NOMINAL IN, body_height: 0.625 INCHES NOMINAL IN, body_length: 1.015 INCHES NOMINAL IN, terminal_length: 1.375 INCHES MINIMUM 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 5910-00-184-4610, 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→ CM40C512J
NSN: 5910-00-184-4610
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width0.312 INCHES NOMINAL IN
body_height0.625 INCHES NOMINAL IN
body_length1.015 INCHES NOMINAL IN
terminal_length1.375 INCHES MINIMUM IN
terminal_diameter0.040 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-5/6A GOVERNMENT SPECIFICATION A
NSN5910-00-184-4610
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM40C512J MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
BODY STYLE: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
BODY WIDTH: 0.312 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 5100.000 PICOFARADS SINGLE SECTION
•
TOLERANCE RANGE PER SECTION: -5.00 TO 5.00 PERCENT SINGLE SECTION
•
TERMINAL LENGTH: 1.375 INCHES MINIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-C-5 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.).
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 DC 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)
BODY STYLEW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
BODY WIDTH0.312 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION5100.000 PICOFARADS SINGLE SECTION
TOLERANCE RANGE PER SECTION-5.00 TO 5.00 PERCENT SINGLE SECTION
TERMINAL LENGTH1.375 INCHES MINIMUM IN
TEST DATA DOCUMENT81349-MIL-C-5 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.).
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
SPECIFICATION/STANDARD DATA81349-MIL-C-5/6A GOVERNMENT SPECIFICATION A
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
CM40D682KInterchangeable
interchangeable cross-reference
interchangeable
MILC5-6Interchangeable
interchangeable cross-reference
interchangeable
CM40D512JInterchangeable
interchangeable cross-reference
interchangeable
CM40B472KInterchangeable
interchangeable cross-reference
interchangeable
CM40D912GInterchangeable
interchangeable cross-reference
interchangeable
MS35010-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM40C512J?
CM40C512J is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM40C512J?
There are 13 known substitutes for CM40C512J: CM40D682K, MILC5-6, CM40D512J and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM40C512J?
CM40C512J is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-184-4610. 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