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PartsTable / COMPONENT / 251743
251743 ✓ Verified by PartsTable
TCL · COMPONENT
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 TCL cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: COPPER ALLOY OVERALL, largest_width: 0.125 INCHES SINGLE END IN, overall_width: 0.187 INCHES IN, overall_length: 0.593 INCHES IN, basic_shape_style: SOLDER/SOLDERLESS, surface_treatment: TIN OVERALL SINGLE LAYER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-990-7229, 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
251743
NSN: 5940-00-990-7229
FSC: 5940
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
largest_width0.125 INCHES SINGLE END IN
overall_width0.187 INCHES IN
overall_length0.593 INCHES IN
basic_shape_styleSOLDER/SOLDERLESS
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.016 INCHES IN
mounting_slot_width0.062 INCHES IN
mounting_method_styleSHOULDERED HOLE
mounting_tongue_width0.187 INCHES IN
mounting_facility_thickness0.016 INCHES IN
conductor_accommodation_typeSLANT LUG W/ONE HOLE SINGLE END
NSN5940-00-990-7229
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: TCL CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 251743 MFR TCL CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
MATERIAL: COPPER ALLOY OVERALL
•
MOUNTING SLOT WIDTH: 0.062 INCHES IN
•
LARGEST WIDTH: 0.125 INCHES SINGLE END IN
•
MOUNTING METHOD STYLE: SHOULDERED HOLE
•
MOUNTING FACILITY THICKNESS: 0.016 INCHES IN
•
MATERIAL THICKNESS: 0.016 INCHES 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)
OVERALL LENGTH0.593 INCHES IN
MATERIALCOPPER ALLOY OVERALL
OVERALL WIDTH0.187 INCHES IN
MOUNTING SLOT WIDTH0.062 INCHES IN
LARGEST WIDTH0.125 INCHES SINGLE END IN
MOUNTING METHOD STYLESHOULDERED HOLE
MOUNTING FACILITY THICKNESS0.016 INCHES IN
MATERIAL THICKNESS0.016 INCHES IN
MOUNTING TONGUE WIDTH0.187 INCHES IN
BASIC SHAPE STYLESOLDER/SOLDERLESS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3-10-42Interchangeable
interchangeable cross-reference
interchangeable
11662329Interchangeable
interchangeable cross-reference
interchangeable
TAM42AInterchangeable
interchangeable cross-reference
interchangeable
DMS 87045BInterchangeable
interchangeable cross-reference
interchangeable
B107.48 TY2CL5Interchangeable
interchangeable cross-reference
interchangeable
75EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 251743?
251743 is a CAPACITOR,FIXED,ELECTROLYTIC manufactured by TCL.
What parts can replace 251743?
There are 13 known substitutes for 251743: 3-10-42, 11662329, TAM42A and 10 more. Substitute compatibility should be verified for your specific system.
Is 251743 still available?
251743 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