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D45021 — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

D45021: CAPACITOR,FIXED,ELECTROLYTIC.

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: 4.375 INCHES MINIMUM AND 4.625 INCHES MAXIMUM IN, body_diameter: 1.453 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN, terminal_length: 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-855-3887, 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→ D45021
NSN: 5910-00-855-3887
FSC: 5910 — Capacitors
CAGE: 56289 — SPRAGUE ELECTRIC CO WORLD HQS (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length4.375 INCHES MINIMUM AND 4.625 INCHES MAXIMUM IN
body_diameter1.453 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
terminal_length0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-20.0 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
dc_leakage_at_reference_temp2.100 MILLIAMPERES
NSN5910-00-855-3887
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN D45021 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY DIAMETER: 1.453 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
•
BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END
•
TOLERANCE RANGE PER SECTION: -10.00 TO 75.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
TERMINAL SURFACE TREATMENT: SOLDER
•
TERMINAL LENGTH: 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
ELECTRICAL POLARIZATION: POLARIZED
•
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
BODY DIAMETER1.453 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE END
TOLERANCE RANGE PER SECTION-10.00 TO 75.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TERMINAL SURFACE TREATMENTSOLDER
TERMINAL LENGTH0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
ELECTRICAL POLARIZATIONPOLARIZED
ANODE TYPEPLAIN FOIL
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION250.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
OTHER ITEMS IN FSC 5910 — Capacitors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578
SUBSTITUTES & CROSS-REFERENCES 1
FPC20-23996Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D45021?
D45021 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace D45021?
There is 1 known substitute for D45021: FPC20-23996. Substitute compatibility should be verified for your specific system.
What is the NSN for D45021?
D45021 is cataloged in the U.S. Government catalog under NSN 5910-00-855-3887. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.