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Technical Data Sheet
PartsTable / MRO / D42031
D42031 ✓ 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/TWIST TAB MTG, TERMINAL(S) ON ONE END, body_length: 2.500 INCHES NOMINAL IN, body_diameter: 1.500 INCHES NOMINAL IN, terminal_length: 0.312 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-102-1338, 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→ D42031
NSN: 5910-00-102-1338
FSC: 5910
CAGE: 56289 — SPRAGUE ELECTRIC CO WORLD HQS (USA)
SPECIFICATIONS
body_styleW/TWIST TAB MTG, TERMINAL(S) ON ONE END
body_length2.500 INCHES NOMINAL IN
body_diameter1.500 INCHES NOMINAL IN
terminal_length0.312 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 75.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
capacitance_value_per_section400.000 MICROFARADS SINGLE SECTION
NSN5910-00-102-1338
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN D42031 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 400.000 MICROFARADS SINGLE SECTION
•
TERMINAL LENGTH: 0.312 INCHES NOMINAL IN
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
NONDERATED OPERATING TEMP: -40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
TOLERANCE RANGE PER SECTION: -10.00 TO 75.00 PERCENT SINGLE SECTION
•
BODY LENGTH: 2.500 INCHES NOMINAL IN
•
BODY DIAMETER: 1.500 INCHES NOMINAL IN
•
ELECTRICAL POLARIZATION: POLARIZED
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)
CAPACITANCE VALUE PER SECTION400.000 MICROFARADS SINGLE SECTION
TERMINAL LENGTH0.312 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TOLERANCE RANGE PER SECTION-10.00 TO 75.00 PERCENT SINGLE SECTION
BODY LENGTH2.500 INCHES NOMINAL IN
BODY DIAMETER1.500 INCHES NOMINAL IN
ELECTRICAL POLARIZATIONPOLARIZED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION200.0 DC SINGLE SECTION
TERMINAL SURFACE TREATMENTSOLDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
D42031400MED200VInterchangeable
interchangeable cross-reference
interchangeable
D42031400MFD200VInterchangeable
interchangeable cross-reference
interchangeable
PFP122.9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D42031?
D42031 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace D42031?
There are 3 known substitutes for D42031: D42031400MED200V, D42031400MFD200V, PFP122.9. Substitute compatibility should be verified for your specific system.
What is the NSN for D42031?
D42031 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-102-1338. 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