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Technical Data Sheet
PartsTable / MRO / SMB289904-2
SMB289904-2 ✓ 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: 0.281 INCHES NOMINAL IN, body_height: 0.828 INCHES NOMINAL IN, body_length: 0.828 INCHES NOMINAL IN, terminal_length: 1.125 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 5910-00-171-3231, 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→ SMB289904-2
NSN: 5910-00-171-3231
FSC: 5910
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width0.281 INCHES NOMINAL IN
body_height0.828 INCHES NOMINAL IN
body_length0.828 INCHES NOMINAL IN
terminal_length1.125 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-5/4A GOVERNMENT SPECIFICATION A
NSN5910-00-171-3231
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN SMB289904-2 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY STYLE: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
•
TERMINAL LENGTH: 1.125 INCHES MINIMUM IN
•
BODY HEIGHT: 0.828 INCHES NOMINAL IN
•
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS: -20.0 TO 100.0 SINGLE SECTION
•
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.).
•
BODY LENGTH: 0.828 INCHES NOMINAL IN
•
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)
RELIABILITY INDICATORNOT ESTABLISHED
BODY STYLEW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
TERMINAL LENGTH1.125 INCHES MINIMUM IN
BODY HEIGHT0.828 INCHES NOMINAL IN
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 100.0 SINGLE SECTION
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.).
BODY LENGTH0.828 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
BODY WIDTH0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
CM30FD332G03Interchangeable
interchangeable cross-reference
interchangeable
CM30D332JInterchangeable
interchangeable cross-reference
interchangeable
CM30CD332JN3-12Interchangeable
interchangeable cross-reference
interchangeable
MILC5-4Interchangeable
Same NIIN cross-reference
interchangeable
CM30E332GInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMB289904-2?
SMB289904-2 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace SMB289904-2?
There are 5 known substitutes for SMB289904-2: CM30FD332G03, CM30D332J, CM30CD332JN3-12 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMB289904-2?
SMB289904-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-171-3231. 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