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T491D226K016AS — CAPACITOR,FIXED,ELECTROLYTIC

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

T491D226K016AS: 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: CHIP TYPE, body_width: 0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, body_height: 0.098 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN, body_length: 0.275 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This part is cataloged in the U.S.

Government catalog under NSN 5910-01-499-2606, 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→ T491D226K016AS
NSN: 5910-01-499-2606
NIINs: 014992606, 015347699
FSC: 5910 — Capacitors
CAGE: 31433 — KEMET ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
body_styleCHIP TYPE
body_width0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
body_height0.098 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
body_length0.275 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
end_item_identificationC-17 ACFT
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 BONDING PAD
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section22.000 MICROFARADS SINGLE SECTION
NSN5910-01-499-2606
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN T491D226K016AS MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY STYLE: CHIP TYPE
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
•
ELECTRICAL POLARIZATION: POLARIZED
•
BODY WIDTH: 0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.098 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 16.0 DC SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
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 STYLECHIP TYPE
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
ELECTRICAL POLARIZATIONPOLARIZED
BODY WIDTH0.157 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
BODY HEIGHT0.098 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION16.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
BODY LENGTH0.275 INCHES MINIMUM AND 0.299 INCHES MAXIMUM IN
CAPACITANCE VALUE PER SECTION22.000 MICROFARADS SINGLE SECTION
SUBSTITUTES & CROSS-REFERENCES 1
844527-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 T491D226K016AS?
T491D226K016AS is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace T491D226K016AS?
There is 1 known substitute for T491D226K016AS: 844527-1. Substitute compatibility should be verified for your specific system.
What is the NSN for T491D226K016AS?
T491D226K016AS is cataloged in the U.S. Government catalog under NSN 5910-01-499-2606. 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.