PartsTable
Technical Data Sheet
PartsTable / MRO / SM-B-321381
SM-B-321381 ✓ 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,CERAMIC DIELECTR. Key specifications include body_style: W/MTG TABS/FLANGES TERMINALS ON OPPOSITE SURFACES, body_width: 1.000 INCHES NOMINAL IN, body_height: 0.625 INCHES NOMINAL IN, body_length: 1.125 INCHES NOMINAL IN, special_features: KL1-59177 STAMPED ON STEEL CAN TIN DIPPED FINISH, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-615-4135, 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→ SM-B-321381
NSN: 5910-00-615-4135
FSC: 5910
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES TERMINALS ON OPPOSITE SURFACES
body_width1.000 INCHES NOMINAL IN
body_height0.625 INCHES NOMINAL IN
body_length1.125 INCHES NOMINAL IN
section_quantity6
special_featuresKL1-59177 STAMPED ON STEEL CAN TIN DIPPED FINISH
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity6 TAB, SOLDER LUG
capacitance_value_per_section5000.000 PICOFARADS ALL SECTIONS
unthreaded_mounting_hole_diameter0.140 INCHES NOMINAL IN
mounting_facility_type_and_quantity2 UNTHREADED MOUNTING HOLES
nonderated_continuous_voltage_rating_and_type_per_section500.0 DC ALL SECTIONS
NSN5910-00-615-4135
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN SM-B-321381 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 6 TAB, SOLDER LUG
•
BODY WIDTH: 1.000 INCHES NOMINAL IN
•
BODY HEIGHT: 0.625 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 5000.000 PICOFARADS ALL SECTIONS
•
TOLERANCE RANGE PER SECTION: +0.00 TO 125.00 PERCENT 1ST SECTION AND +0.00 TO 125.00 PERCENT 2ND SECTION AND +0.00 TO 125.00 PERCENT 3RD SECTION AND +0.00 TO 125.00 PERCENT 4TH SECTION AND +0.00 TO 125.00 PERCENT 5TH SECTION AND +0.00 TO 125.00 PERCENT 6TH SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED MOUNTING HOLES
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.438 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)
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
SPECIAL FEATURESKL1-59177 STAMPED ON STEEL CAN TIN DIPPED FINISH
BODY WIDTH1.000 INCHES NOMINAL IN
BODY HEIGHT0.625 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION5000.000 PICOFARADS ALL SECTIONS
TOLERANCE RANGE PER SECTION+0.00 TO 125.00 PERCENT 1ST SECTION AND +0.00 TO 125.00 PERCENT 2ND SECTION AND +0.00 TO 125.00 PERCENT 3RD SECTION AND +0.00 TO 125.00 PERCENT 4TH SECTION AND +0.00 TO 125.00 PERCENT 5TH SECTION AND +0.00 TO 125.00 PERCENT 6TH SECTION
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED MOUNTING HOLES
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.438 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC ALL SECTIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
59177Interchangeable
interchangeable cross-reference
interchangeable
3106046Interchangeable
interchangeable cross-reference
interchangeable
71701Interchangeable
interchangeable cross-reference
interchangeable
14.00-20Interchangeable
interchangeable cross-reference
interchangeable
SE100-1017Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-321381?
SM-B-321381 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace SM-B-321381?
There are 5 known substitutes for SM-B-321381: 59177, 3106046, 71701 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-321381?
SM-B-321381 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-615-4135. 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