PartsTable
Technical Data Sheet
PartsTable / MRO / 552272-521
552272-521 ✓ 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: 1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN, body_diameter: 0.758 INCHES NOMINAL IN, terminal_length: 2.500 INCHES NOMINAL IN, terminal_diameter: 0.040 INCHES NOMINAL IN, reliability_indicator: ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-141-5336, 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→ 552272-521
NSN: 5910-01-141-5336
FSC: 5910
CAGE: 14100 — STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO (USA)
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
body_diameter0.758 INCHES NOMINAL IN
terminal_length2.500 INCHES NOMINAL IN
terminal_diameter0.040 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-39018/3 GOVERNMENT SPECIFICATION
NSN5910-01-141-5336
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 552272-521 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY LENGTH: 1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 75.0 DC SINGLE SECTION
•
TERMINAL DIAMETER: 0.040 INCHES NOMINAL IN
•
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS: 18.0
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
•
CAPACITANCE VALUE PER SECTION: 150.000 MICROFARADS SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
•
TERMINAL LENGTH: 2.500 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 LENGTH1.625 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION75.0 DC SINGLE SECTION
TERMINAL DIAMETER0.040 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS18.0
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
CAPACITANCE VALUE PER SECTION150.000 MICROFARADS SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
TERMINAL LENGTH2.500 INCHES NOMINAL IN
DC LEAKAGE AT MAXIMUM OPERATING TEMP318.0 MICROAMPERES
ELECTRICAL POLARIZATIONPOLARIZED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
CBR-16-039Interchangeable
interchangeable cross-reference
interchangeable
MAL202118221E3Interchangeable
interchangeable cross-reference
interchangeable
5025-886Interchangeable
interchangeable cross-reference
interchangeable
CBR-20-045Interchangeable
interchangeable cross-reference
interchangeable
34DInterchangeable
interchangeable cross-reference
interchangeable
CBS-11-042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 552272-521?
552272-521 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 552272-521?
There are 23 known substitutes for 552272-521: CBR-16-039, MAL202118221E3, 5025-886 and 20 more. Substitute compatibility should be verified for your specific system.
Is 552272-521 still available?
552272-521 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026