PartsTable
Technical Data Sheet
PartsTable / MRO / 021231-0001
021231-0001 ✓ 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: 1.312 INCHES NOMINAL IN, body_diameter: 0.438 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 5910-00-949-9556, 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→ 021231-0001
NSN: 5910-00-949-9556
FSC: 5910
CAGE: 65597 — THALES USA, INC. DIV AIR MOBILITY SOLUTIONS ("AMS") (USA)
SPECIFICATIONS
anode_typeSOLID
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.312 INCHES NOMINAL IN
body_diameter0.438 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
capacitance_value_per_section1250.000 MICROFARADS SINGLE SECTION
capacitive_electrode_materialTANTALUM
NSN5910-00-949-9556
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 021231-0001 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
ELECTRICAL POLARIZATION: POLARIZED
•
CAPACITANCE VALUE PER SECTION: 1250.000 MICROFARADS SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
•
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
•
CAPACITIVE ELECTRODE MATERIAL: TANTALUM
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
TEST DATA DOCUMENT: 65597-21231-1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 6.0 DC SINGLE SECTION
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)
ELECTRICAL POLARIZATIONPOLARIZED
CAPACITANCE VALUE PER SECTION1250.000 MICROFARADS SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
CAPACITIVE ELECTRODE MATERIALTANTALUM
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TEST DATA DOCUMENT65597-21231-1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION6.0 DC SINGLE SECTION
BODY LENGTH1.312 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
G-12Interchangeable
interchangeable cross-reference
interchangeable
15422Interchangeable
interchangeable cross-reference
interchangeable
S134Interchangeable
interchangeable cross-reference
interchangeable
AN1-34Interchangeable
interchangeable cross-reference
interchangeable
H575SBInterchangeable
interchangeable cross-reference
interchangeable
H975Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 021231-0001?
021231-0001 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 021231-0001?
There are 11 known substitutes for 021231-0001: G-12, 15422, S134 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 021231-0001?
021231-0001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-949-9556. 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