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Technical Data Sheet
PartsTable / MRO / C428
C428 ✓ 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

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: COTTON FILTERING MEDIUM, body_width: 1.250 INCHES MAXIMUM IN, body_height: 2.500 INCHES MAXIMUM IN, body_length: 0.600 INCHES NOMINAL IN, design_type: NONREUSABLE, body_diameter: 3.325 INCHES NOMINAL 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 6605-00-109-2686, 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→ C428
NSN: 6605-00-109-2686
FSC: 6605
CAGE: 50068 — ITT RULE INDUSTRIES INC DANFORTH DIV (USA)
SPECIFICATIONS
materialCOTTON FILTERING MEDIUM
body_width1.250 INCHES MAXIMUM IN
body_height2.500 INCHES MAXIMUM IN
body_length0.600 INCHES NOMINAL IN
design_typeNONREUSABLE
body_diameter3.325 INCHES NOMINAL IN
body_materialMETAL
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
flow_directionOUTSIDE IN
inclosure_typeHERMETICALLY SEALED
overall_height2.875 INCHES MAXIMUM IN
inductance_typeFIXED
NSN6605-00-109-2686
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN C428 MFR CAPACITOR,FIXED,ELECTR
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
C426Interchangeable
interchangeable cross-reference
interchangeable
44C255634-003Interchangeable
interchangeable cross-reference
interchangeable
C4-28Interchangeable
interchangeable cross-reference
interchangeable
7B1045Interchangeable
interchangeable cross-reference
interchangeable
15LC43Interchangeable
interchangeable cross-reference
interchangeable
LM27SF2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C428?
C428 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace C428?
There are 14 known substitutes for C428: C426, 44C255634-003, C4-28 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C428?
C428 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6605-00-109-2686. 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