PartsTable
Technical Data Sheet
PartsTable / MRO / 8642839
8642839 ✓ 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 body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.722 INCHES NOMINAL IN, body_diameter: 0.289 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, 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 5910-00-809-6581, 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→ 8642839
NSN: 5910-00-809-6581
FSC: 5910
CAGE: 00000
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.722 INCHES NOMINAL IN
body_diameter0.289 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-80.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
NSN5910-00-809-6581
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 8642839 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY LENGTH: 0.722 INCHES NOMINAL IN
•
CAPACITIVE ELECTRODE MATERIAL: TANTALUM
•
CASE INSULATION MATERIAL: PLASTIC
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
TERMINAL SURFACE TREATMENT: SOLDER
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 15.0 DC SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
•
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT 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)
BODY LENGTH0.722 INCHES NOMINAL IN
CAPACITIVE ELECTRODE MATERIALTANTALUM
CASE INSULATION MATERIALPLASTIC
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TERMINAL SURFACE TREATMENTSOLDER
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION15.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
BODY STYLEW/O MTG FACILITIES, AXIAL TERMINALS
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
27020799310Interchangeable
interchangeable cross-reference
interchangeable
1661394-2Interchangeable
interchangeable cross-reference
interchangeable
Q317265025Interchangeable
interchangeable cross-reference
interchangeable
K68J15SInterchangeable
interchangeable cross-reference
interchangeable
150D686X0015R2Interchangeable
interchangeable cross-reference
interchangeable
6099325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8642839?
8642839 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8642839?
There are 8 known substitutes for 8642839: 27020799310, 1661394-2, Q317265025 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8642839?
8642839 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-809-6581. 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