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Technical Data Sheet
PartsTable / MRO / TCT226K2SD
TCT226K2SD ✓ 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: SOLID, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.474 INCHES NOMINAL IN, body_diameter: 0.170 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN, terminal_length: 1.500 INCHES MINIMUM IN, special_features: WEIBULL GRADED FAILURE RATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-244-9442, 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→ TCT226K2SD
NSN: 5910-01-244-9442
FSC: 5910
CAGE: 10241 — TELEPHONE SYSTEMS/COMMUNICATIONS (USA)
SPECIFICATIONS
anode_typeSOLID
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.474 INCHES NOMINAL IN
body_diameter0.170 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
terminal_length1.500 INCHES MINIMUM IN
special_featuresWEIBULL GRADED FAILURE RATE
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.020 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
NSN5910-01-244-9442
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN TCT226K2SD MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
MIL-STD-1276 WIRE LEAD TYPE DESIGNATOR: N-4
•
RELIABILITY INDICATOR: ESTABLISHED
•
BODY STYLE: W/O MTG FACILITIES, AXIAL TERMINALS
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
TEST DATA DOCUMENT: 81349-MIL-PRF-39003 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
CAPACITIVE ELECTRODE MATERIAL: TANTALUM
•
BODY LENGTH: 0.474 INCHES NOMINAL IN
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)
MIL-STD-1276 WIRE LEAD TYPE DESIGNATORN-4
RELIABILITY INDICATORESTABLISHED
BODY STYLEW/O MTG FACILITIES, AXIAL TERMINALS
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TEST DATA DOCUMENT81349-MIL-PRF-39003 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CAPACITIVE ELECTRODE MATERIALTANTALUM
BODY LENGTH0.474 INCHES NOMINAL IN
ELECTRICAL POLARIZATIONPOLARIZED
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
01G42200Interchangeable
interchangeable cross-reference
interchangeable
012804092Interchangeable
interchangeable cross-reference
interchangeable
302-0184-001Interchangeable
interchangeable cross-reference
interchangeable
MILC39003-1Interchangeable
interchangeable cross-reference
interchangeable
CSR13D226MLInterchangeable
interchangeable cross-reference
interchangeable
184-6160-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TCT226K2SD?
TCT226K2SD is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace TCT226K2SD?
There are 35 known substitutes for TCT226K2SD: 01G42200, 012804092, 302-0184-001 and 32 more. Substitute compatibility should be verified for your specific system.
Is TCT226K2SD still available?
TCT226K2SD is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026