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Technical Data Sheet
PartsTable / MRO / 21C55TS761
21C55TS761 ✓ 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: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 1.750 INCHES NOMINAL IN, body_diameter: 1.000 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, electrical_polarization: POLARIZED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-170-3824, 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→ 21C55TS761
NSN: 5910-00-170-3824
FSC: 5910
CAGE: 99392 — MEPCO/ELECTRA INC ROXBORO DIV (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length1.750 INCHES NOMINAL IN
body_diameter1.000 INCHES NOMINAL 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
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section760.000 MICROFARADS SINGLE SECTION
NSN5910-00-170-3824
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 21C55TS761 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END
•
CAPACITANCE VALUE PER SECTION: 760.000 MICROFARADS SINGLE SECTION
•
CAPACITIVE ELECTRODE MATERIAL: ALUMINUM
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
TERMINAL SURFACE TREATMENT: SOLDER
•
NONDERATED OPERATING TEMP: -20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 55.0 DC SINGLE SECTION
•
BODY DIAMETER: 1.000 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)
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE END
CAPACITANCE VALUE PER SECTION760.000 MICROFARADS SINGLE SECTION
CAPACITIVE ELECTRODE MATERIALALUMINUM
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
TERMINAL SURFACE TREATMENTSOLDER
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION55.0 DC SINGLE SECTION
BODY DIAMETER1.000 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
TOLERANCE RANGE PER SECTION-10.00 TO 75.00 PERCENT SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10360Interchangeable
interchangeable cross-reference
interchangeable
255182-7Interchangeable
interchangeable cross-reference
interchangeable
SL-5221PC35Interchangeable
interchangeable cross-reference
interchangeable
SC-C-69992-22Interchangeable
interchangeable cross-reference
interchangeable
425LXInterchangeable
interchangeable cross-reference
interchangeable
70-11119Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21C55TS761?
21C55TS761 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21C55TS761?
There are 14 known substitutes for 21C55TS761: 10360, 255182-7, SL-5221PC35 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21C55TS761?
21C55TS761 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-170-3824. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026