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Technical Data Sheet
PartsTable / MRO / 29F549G4
29F549G4 ✓ 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, AXIAL TERMINALS, body_length: 1.438 INCHES NOMINAL IN, body_diameter: 0.406 INCHES MAXIMUM IN, terminal_length: 1.500 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-257-9453, 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→ 29F549G4
NSN: 5910-00-257-9453
FSC: 5910
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.438 INCHES NOMINAL IN
body_diameter0.406 INCHES MAXIMUM IN
terminal_length1.500 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
electrical_polarizationNONPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN5910-00-257-9453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 29F549G4 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY LENGTH: 1.438 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
•
ELECTRICAL POLARIZATION: NONPOLARIZED
•
TERMINAL SURFACE TREATMENT: SOLDER
•
DC LEAKAGE AT REFERENCE TEMP: 2.000 MICROAMPERES
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
CASE INSULATION MATERIAL: PLASTIC
•
TEST DATA DOCUMENT: 81349-MIL-C-3965/16 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.).
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 LENGTH1.438 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
ELECTRICAL POLARIZATIONNONPOLARIZED
TERMINAL SURFACE TREATMENTSOLDER
DC LEAKAGE AT REFERENCE TEMP2.000 MICROAMPERES
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
CASE INSULATION MATERIALPLASTIC
TEST DATA DOCUMENT81349-MIL-C-3965/16 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.).
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT15.0000
CAPACITIVE ELECTRODE MATERIALTANTALUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MILC3965-14Interchangeable
interchangeable cross-reference
interchangeable
CL37BN150MN3Interchangeable
interchangeable cross-reference
interchangeable
CL37BN100MN3Interchangeable
interchangeable cross-reference
interchangeable
CL33BD550MNEInterchangeable
interchangeable cross-reference
interchangeable
MILC3965-16Interchangeable
interchangeable cross-reference
interchangeable
CL37BJ200MN3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 29F549G4?
29F549G4 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 29F549G4?
There are 18 known substitutes for 29F549G4: MILC3965-14, CL37BN150MN3, CL37BN100MN3 and 15 more. Substitute compatibility should be verified for your specific system.
Is 29F549G4 still available?
29F549G4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026