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Technical Data Sheet
PartsTable / MRO / 902091-4
902091-4 ✓ 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 anode_type: SOLID, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.755 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN, body_diameter: 0.336 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN, terminal_length: 1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-172-2950, 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→ 902091-4
NSN: 5910-01-172-2950
FSC: 5910
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
anode_typeSOLID
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.755 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
body_diameter0.336 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
terminal_length1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
NSN5910-01-172-2950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 902091-4 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
TERMINAL SURFACE TREATMENT: SOLDER
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 35.0 DC SINGLE SECTION
•
TERMINAL LENGTH: 1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
DC LEAKAGE AT MAXIMUM OPERATING TEMP: 160.0 MICROAMPERES
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
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)
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL SURFACE TREATMENTSOLDER
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION35.0 DC SINGLE SECTION
TERMINAL LENGTH1.250 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
DC LEAKAGE AT MAXIMUM OPERATING TEMP160.0 MICROAMPERES
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
CAPACITIVE ELECTRODE MATERIALTANTALUM
ANODE TYPESOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
8019136P41Interchangeable
interchangeable cross-reference
interchangeable
C9857PInterchangeable
interchangeable cross-reference
interchangeable
197-8-210SInterchangeable
interchangeable cross-reference
interchangeable
T2-10Interchangeable
interchangeable cross-reference
interchangeable
J513Interchangeable
interchangeable cross-reference
interchangeable
A4541Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 902091-4?
902091-4 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 902091-4?
There are 14 known substitutes for 902091-4: 8019136P41, C9857P, 197-8-210S and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 902091-4?
902091-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-172-2950. 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