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Technical Data Sheet
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CM40D682J — 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

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: 1.016 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 under NSN 5910-00-195-3662, 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→ CM40D682J
NSN: 5910-00-195-3662
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_length1.016 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
NSN5910-00-195-3662
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM40D682J MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
TERMINAL DIAMETER: 0.040 INCHES NOMINAL 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.).
•
CAPACITANCE VALUE PER SECTION: 6800.000 PICOFARADS SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-5/6A GOVERNMENT SPECIFICATION A
•
BODY WIDTH: 0.312 INCHES NOMINAL IN
•
BODY LENGTH: 1.016 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
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
TERMINAL DIAMETER0.040 INCHES NOMINAL 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.).
CAPACITANCE VALUE PER SECTION6800.000 PICOFARADS SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
SPECIFICATION/STANDARD DATA81349-MIL-C-5/6A GOVERNMENT SPECIFICATION A
BODY WIDTH0.312 INCHES NOMINAL IN
BODY LENGTH1.016 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TERMINAL SURFACE TREATMENTSOLDER
TERMINAL LENGTH1.375 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
CM40D682KInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILC5-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM40C512JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM40D512JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM40B472KInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM40D912GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM40D682J?
CM40D682J is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM40D682J?
There are 13 known substitutes for CM40D682J: CM40D682K, MILC5-6, CM40C512J and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM40D682J?
CM40D682J is cataloged in the Federal Logistics Information System under NSN 5910-00-195-3662. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026