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Technical Data Sheet
PartsTable / MRO / 7902037-49
7902037-49 ✓ 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: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 2.388 INCHES NOMINAL IN, body_diameter: 1.406 INCHES NOMINAL IN, terminal_length: 0.472 INCHES NOMINAL IN, terminal_diameter: 0.190 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 5910-00-911-3478, 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→ 7902037-49
NSN: 5910-00-911-3478
FSC: 5910
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length2.388 INCHES NOMINAL IN
body_diameter1.406 INCHES NOMINAL IN
terminal_length0.472 INCHES NOMINAL IN
terminal_diameter0.190 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED HOLE
tolerance_range_per_section-10.00 TO 100.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
NSN5910-00-911-3478
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 7902037-49 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY DIAMETER: 1.406 INCHES NOMINAL IN
•
BODY LENGTH: 2.388 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.190 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.498 INCHES NOMINAL IN
•
NONDERATED OPERATING TEMP: -40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
ANODE TYPE: PLAIN FOIL
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
BODY DIAMETER1.406 INCHES NOMINAL IN
BODY LENGTH2.388 INCHES NOMINAL IN
TERMINAL DIAMETER0.190 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.498 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
ANODE TYPEPLAIN FOIL
CAPACITANCE VALUE PER SECTION1500.000 MICROFARADS SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1820886-88Interchangeable
interchangeable cross-reference
interchangeable
RNC70K4222FSInterchangeable
interchangeable cross-reference
interchangeable
RNR70K4222FSInterchangeable
interchangeable cross-reference
interchangeable
172-500Interchangeable
interchangeable cross-reference
interchangeable
3329X-1-501Interchangeable
interchangeable cross-reference
interchangeable
182-501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7902037-49?
7902037-49 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7902037-49?
There are 6 known substitutes for 7902037-49: 1820886-88, RNC70K4222FS, RNR70K4222FS and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7902037-49?
7902037-49 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-911-3478. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026