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T491B474K050AS — CAPACITOR,FIXED,ELECTROLYTIC

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

T491B474K050AS: 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 body_style: SINGLE INLINE, body_width: 0.110 INCHES NOMINAL IN, body_height: 0.075 INCHES NOMINAL IN, body_length: 0.138 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, end_item_identification: CP-1273/UPX-2, RADAR AND IFF SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-507-0099, 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→ T491B474K050AS
NSN: 5910-01-507-0099
FSC: 5910 — Capacitors
CAGE: 31433 — KEMET ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
body_styleSINGLE INLINE
body_width0.110 INCHES NOMINAL IN
body_height0.075 INCHES NOMINAL IN
body_length0.138 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
end_item_identificationCP-1273/UPX-2, RADAR AND IFF SYSTEMS
terminal_type_and_quantity2 BONDING PAD
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
capacitance_value_per_section0.470 MICROFARADS SINGLE SECTION
capacitive_electrode_materialTANTALUM
nonderated_continuous_voltage_rating_and_type_per_section50.0 DC SINGLE SECTION
NSN5910-01-507-0099
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN T491B474K050AS MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY STYLE: SINGLE INLINE
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
BODY WIDTH: 0.110 INCHES NOMINAL IN
•
BODY HEIGHT: 0.075 INCHES NOMINAL IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 50.0 DC SINGLE SECTION
•
BODY LENGTH: 0.138 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 0.470 MICROFARADS SINGLE SECTION
•
RELIABILITY INDICATOR: NOT ESTABLISHED
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 STYLESINGLE INLINE
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
BODY WIDTH0.110 INCHES NOMINAL IN
BODY HEIGHT0.075 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION50.0 DC SINGLE SECTION
BODY LENGTH0.138 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION0.470 MICROFARADS SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
CAPACITIVE ELECTRODE MATERIALTANTALUM
END ITEM IDENTIFICATIONCP-1273/UPX-2, RADAR AND IFF SYSTEMS
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 3
293D474X9050B2TReference document
Same NSN cross-reference
Reference document — Design control — primary reference
844466Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
844466-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T491B474K050AS?
T491B474K050AS is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace T491B474K050AS?
There are 3 known substitutes for T491B474K050AS: 293D474X9050B2T, 844466, 844466-1. Substitute compatibility should be verified for your specific system.
What is the NSN for T491B474K050AS?
T491B474K050AS is cataloged in the U.S. Government catalog under NSN 5910-01-507-0099. 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.