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Technical Data Sheet
PartsTable / MRO / ET101X025A5
ET101X025A5 ✓ 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 body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.020 INCHES NOMINAL IN, body_diameter: 0.394 INCHES NOMINAL IN, terminal_length: 1.250 INCHES MINIMUM IN, terminal_diameter: 0.024 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-520-9819, 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→ ET101X025A5
NSN: 5910-00-520-9819
FSC: 5910
CAGE: 73445 — AMPEREX ELECTRONIC CORP (USA)
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.020 INCHES NOMINAL IN
body_diameter0.394 INCHES NOMINAL IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.024 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
dc_leakage_at_reference_temp3.000 MICROAMPERES
NSN5910-00-520-9819
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN ET101X025A5 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY LENGTH: 0.787 INCHES NOMINAL IN
•
BODY DIAMETER: 0.315 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -10.00 TO 50.00 PERCENT SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 25.0 DC SINGLE SECTION
•
NONDERATED OPERATING TEMP: -40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
TERMINAL LENGTH: 1.250 INCHES MINIMUM IN
•
TERMINAL DIAMETER: 0.032 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 LENGTH0.787 INCHES NOMINAL IN
BODY DIAMETER0.315 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 50.00 PERCENT SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION25.0 DC SINGLE SECTION
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TERMINAL LENGTH1.250 INCHES MINIMUM IN
TERMINAL DIAMETER0.032 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION100.000 MICROFARADS SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
90 0216Interchangeable
interchangeable cross-reference
interchangeable
1936A1Interchangeable
interchangeable cross-reference
interchangeable
5210-00-078-3905Interchangeable
interchangeable cross-reference
interchangeable
ET100X025A2Interchangeable
interchangeable cross-reference
interchangeable
3073BA100T025JPInterchangeable
interchangeable cross-reference
interchangeable
5532970-02Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ET101X025A5?
ET101X025A5 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace ET101X025A5?
There are 25 known substitutes for ET101X025A5: 90 0216, 1936A1, 5210-00-078-3905 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ET101X025A5?
ET101X025A5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-520-9819. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026