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Technical Data Sheet
PartsTable / MRO / CL55BL401MPG
CL55BL401MPG ✓ 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, TERMINAL(S) ON ONE SURFACE, body_width: 0.720 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, body_length: 1.305 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-111-1722, 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→ CL55BL401MPG
NSN: 5910-00-111-1722
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
anode_typeSOLID
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE SURFACE
body_width0.720 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
body_length1.305 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
dc_leakage_at_reference_temp15.000 MICROAMPERES
NSN5910-00-111-1722
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN CL55BL401MPG MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
BODY LENGTH: 1.305 INCHES NOMINAL IN
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
TEST DATA DOCUMENT: 81349-MIL-C-3965/21 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
POWER FACTOR AT REFERENCE TEMP IN PERCENT: 2.0000
•
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 12.0000
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)
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
BODY LENGTH1.305 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
RELIABILITY INDICATORNOT ESTABLISHED
FEATURES PROVIDEDHERMETICALLY SEALED CASE
TEST DATA DOCUMENT81349-MIL-C-3965/21 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
POWER FACTOR AT REFERENCE TEMP IN PERCENT2.0000
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT12.0000
CAPACITIVE ELECTRODE MATERIALTANTALUM
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
CL55BN351MPGInterchangeable
interchangeable cross-reference
interchangeable
202D357X0100A4Interchangeable
interchangeable cross-reference
interchangeable
04021Interchangeable
interchangeable cross-reference
interchangeable
AA441M100A5Interchangeable
interchangeable cross-reference
interchangeable
MILC3965-21Interchangeable
interchangeable cross-reference
interchangeable
202D447X0100A5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CL55BL401MPG?
CL55BL401MPG is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CL55BL401MPG?
There are 22 known substitutes for CL55BL401MPG: CL55BN351MPG, 202D357X0100A4, 04021 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CL55BL401MPG?
CL55BL401MPG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-111-1722. 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