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Technical Data Sheet
MILC3965-4 ✓ 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 material: GLASS CASE, anode_type: SOLID, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.625 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN, body_diameter: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN, terminal_length: 2.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-045-0604, 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 MILC3965-4
NSN: 5910-00-045-0604
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialGLASS CASE
anode_typeSOLID
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.625 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
body_diameter0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
terminal_length2.250 INCHES NOMINAL IN
section_quantity1
special_featuresELECTRODE MATERIAL METALLIC FOIL
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.250 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
NSN5910-00-045-0604
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN MILC3965-4 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
TERMINAL LENGTH: 1.500 INCHES NOMINAL IN
ANODE TYPE: SOLID
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
CAPACITANCE VALUE PER SECTION: 2.500 MICROFARADS SINGLE SECTION
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 10.00
TERMINAL SURFACE TREATMENT: SOLDER
CAPACITIVE ELECTRODE MATERIAL: TANTALUM
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
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)
TERMINAL LENGTH1.500 INCHES NOMINAL IN
ANODE TYPESOLID
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
CAPACITANCE VALUE PER SECTION2.500 MICROFARADS SINGLE SECTION
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS10.00
TERMINAL SURFACE TREATMENTSOLDER
CAPACITIVE ELECTRODE MATERIALTANTALUM
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
DC LEAKAGE AT REFERENCE TEMP2.500 MICROAMPERES
BODY DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
MIL-C-3965/4Interchangeable
Same NIIN cross-reference
interchangeable
CL64CN2R5MP3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC3965-4?
MILC3965-4 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace MILC3965-4?
There are 2 known substitutes for MILC3965-4: MIL-C-3965/4, CL64CN2R5MP3. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC3965-4?
MILC3965-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-045-0604. This indicates validated use in U.S. government and defense supply chains.
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