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Technical Data Sheet
PartsTable / MRO / CM30D681J
CM30D681J ✓ 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: 0.440 INCHES NOMINAL IN, body_height: 0.190 INCHES NOMINAL IN, body_length: 0.730 INCHES NOMINAL IN, terminal_length: 1.120 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-112-6986, 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→ CM30D681J
NSN: 5910-00-112-6986
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_width0.440 INCHES NOMINAL IN
body_height0.190 INCHES NOMINAL IN
body_length0.730 INCHES NOMINAL IN
terminal_length1.120 INCHES MINIMUM IN
terminal_diameter0.040 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-5/4A GOVERNMENT SPECIFICATION A
NSN5910-00-112-6986
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM30D681J MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY STYLE: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
•
BODY WIDTH: 0.281 INCHES NOMINAL IN
•
BODY HEIGHT: 0.828 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.).
•
TOLERANCE RANGE PER SECTION: -5.00 TO 5.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
BODY LENGTH: 0.828 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 INDICATORNOT ESTABLISHED
BODY STYLEW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
BODY WIDTH0.281 INCHES NOMINAL IN
BODY HEIGHT0.828 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.).
TOLERANCE RANGE PER SECTION-5.00 TO 5.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
BODY LENGTH0.828 INCHES NOMINAL IN
MATERIALPLASTIC CASE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
14-21Interchangeable
interchangeable cross-reference
interchangeable
CM20C681GInterchangeable
interchangeable cross-reference
interchangeable
CM20CD681J03Interchangeable
interchangeable cross-reference
interchangeable
90267Interchangeable
interchangeable cross-reference
interchangeable
40-012082-07Interchangeable
interchangeable cross-reference
interchangeable
444-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM30D681J?
CM30D681J is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM30D681J?
There are 11 known substitutes for CM30D681J: 14-21, CM20C681G, CM20CD681J03 and 8 more. Substitute compatibility should be verified for your specific system.
Is CM30D681J still available?
CM30D681J is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026