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Technical Data Sheet
PartsTable / COMPONENT / 203086
203086 ✓ Verified by PartsTable
— · COMPONENT
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: METAL CONTAINER/CARTRIDGE, design_type: NONREUSABLE, body_diameter: 3.859 INCHES NOMINAL IN, flow_direction: OUTSIDE IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), body_overall_length: 5.312 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-082-5094, 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
203086
NSN: 5940-00-082-5094
FSC: 5940
CAGE: 81312 — WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT (USA)
SPECIFICATIONS
materialMETAL CONTAINER/CARTRIDGE
design_typeNONREUSABLE
body_diameter3.859 INCHES NOMINAL IN
flow_directionOUTSIDE IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
body_overall_length5.312 INCHES NOMINAL IN
body_inside_diameter0.627 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
media_for_which_designedANY ACCEPTABLE
NSN5940-00-082-5094
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 203086 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 32
MS17122-16Interchangeable
interchangeable cross-reference
interchangeable
10-604-4Interchangeable
interchangeable cross-reference
interchangeable
5940PL0835669Interchangeable
interchangeable cross-reference
interchangeable
12765Interchangeable
interchangeable cross-reference
interchangeable
4F65021Interchangeable
interchangeable cross-reference
interchangeable
GT800E1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203086?
203086 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace 203086?
There are 32 known substitutes for 203086: MS17122-16, 10-604-4, 5940PL0835669 and 29 more. Substitute compatibility should be verified for your specific system.
Is 203086 still available?
203086 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