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3M331-445A — Technical Data Sheet

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— · 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 2.880 INCHES NOMINAL IN, body_height: 1.380 INCHES NOMINAL IN, body_length: 3.060 INCHES NOMINAL IN, terminal_diameter: 0.164 INCHES NOMINAL IN, mounting_slot_width: 0.250 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 5910-00-288-0076, 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→ 3M331-445A
NSN: 5910-00-288-0076
FSC: 5910
CAGE: 58364 — BYCAP INC (USA)
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width2.880 INCHES NOMINAL IN
body_height1.380 INCHES NOMINAL IN
body_length3.060 INCHES NOMINAL IN
terminal_diameter0.164 INCHES NOMINAL IN
mounting_slot_width0.250 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp125.0 CELSIUS MAXIMUM DEGC
terminal_height_from_body0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
terminal_type_and_quantity2 STANDOFF, THREADED STUD
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section4.500 MICROFARADS SINGLE SECTION
NSN5910-00-288-0076
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN 3M331-445A MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
CAPACITANCE VALUE PER SECTION: 4.500 MICROFARADS SINGLE SECTION
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.560 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 MOUNTING SLOTS AND 2 UNTHREADED MOUNTING HOLES
•
BODY LENGTH: 3.060 INCHES NOMINAL IN
•
TERMINAL DIAMETER: 0.164 INCHES NOMINAL IN
•
BODY WIDTH: 2.880 INCHES NOMINAL IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 330.0 AC-RMS SINGLE SECTION
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)
CAPACITANCE VALUE PER SECTION4.500 MICROFARADS SINGLE SECTION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.560 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 MOUNTING SLOTS AND 2 UNTHREADED MOUNTING HOLES
BODY LENGTH3.060 INCHES NOMINAL IN
TERMINAL DIAMETER0.164 INCHES NOMINAL IN
BODY WIDTH2.880 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION330.0 AC-RMS SINGLE SECTION
TERMINAL HEIGHT FROM BODY0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
NONDERATED OPERATING TEMP125.0 CELSIUS MAXIMUM DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
0000664Interchangeable
Same NIIN cross-reference
interchangeable
4314Interchangeable
Intel Xeon Silver 4314 2.4GHz 16 Core
interchangeable
2793-62Interchangeable
Capacitor,fixed,paper Dielectric
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3M331-445A?
3M331-445A is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3M331-445A?
There are 3 known substitutes for 3M331-445A: 0000664, 4314, 2793-62. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M331-445A?
3M331-445A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-288-0076. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026