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Technical Data Sheet
663UW10491W2 ✓ 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,PLASTIC DIELECTR. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.875 INCHES NOMINAL IN, body_diameter: 0.281 INCHES NOMINAL IN, terminal_length: 1.625 INCHES NOMINAL IN, dielectric_material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-837-0971, 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 663UW10491W2
NSN: 5910-00-837-0971
FSC: 5910
CAGE: 84411 — AMERICAN SHIZUKI CORP (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.875 INCHES NOMINAL IN
body_diameter0.281 INCHES NOMINAL IN
terminal_length1.625 INCHES NOMINAL IN
dielectric_materialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 INSULATED WIRE LEAD
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section0.100 MICROFARADS SINGLE SECTION
NSN5910-00-837-0971
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 663UW10491W2 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
INTERNAL ELECTRICAL CONNECTION TYPE: EXTENDED FOIL
TERMINAL TYPE AND QUANTITY: 2 INSULATED WIRE LEAD
DIELECTRIC MATERIAL: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
BODY DIAMETER: 0.281 INCHES NOMINAL IN
INSULATION RESISTANCE AT REFERENCE TEMP: 100000.0 MEGOHM-MICROFARADS
TERMINAL LENGTH: 1.625 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 100.0 DC SINGLE SECTION
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 0.5000
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)
INTERNAL ELECTRICAL CONNECTION TYPEEXTENDED FOIL
TERMINAL TYPE AND QUANTITY2 INSULATED WIRE LEAD
DIELECTRIC MATERIALPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
BODY DIAMETER0.281 INCHES NOMINAL IN
INSULATION RESISTANCE AT REFERENCE TEMP100000.0 MEGOHM-MICROFARADS
TERMINAL LENGTH1.625 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT0.5000
BODY LENGTH0.875 INCHES NOMINAL IN
MATERIALPLASTIC CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
0S1621Interchangeable
interchangeable cross-reference
interchangeable
28KP873Interchangeable
interchangeable cross-reference
interchangeable
035-221Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 663UW10491W2?
663UW10491W2 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 663UW10491W2?
There are 3 known substitutes for 663UW10491W2: 0S1621, 28KP873, 035-221. Substitute compatibility should be verified for your specific system.
What is the NSN for 663UW10491W2?
663UW10491W2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-837-0971. This indicates validated use in U.S. government and defense supply chains.
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