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Technical Data Sheet
31D61 ✓ 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: STEEL COMP 303 OVERALL, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.723 INCHES NOMINAL IN, body_diameter: 0.260 INCHES NOMINAL IN, hole_diameter: 0.144 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-233-4655, 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 31D61
NSN: 5910-00-233-4655
FSC: 5910
CAGE: 56289 — SPRAGUE ELECTRIC CO WORLD HQS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.723 INCHES NOMINAL IN
body_diameter0.260 INCHES NOMINAL IN
hole_diameter0.144 INCHES NOMINAL IN
terminal_length1.500 INCHES MINIMUM IN
outside_diameter0.281 INCHES NOMINAL IN
material_thickness0.125 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
NSN5910-00-233-4655
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 31D61 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
ANODE TYPE: PLAIN FOIL
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
BODY DIAMETER: 0.260 INCHES NOMINAL IN
NONDERATED OPERATING TEMP: -20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 260.00
DC LEAKAGE AT REFERENCE TEMP: 2.500 MICROAMPERES
CASE INSULATION MATERIAL: PLASTIC
TERMINAL SURFACE TREATMENT: SOLDER
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)
ANODE TYPEPLAIN FOIL
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
BODY DIAMETER0.260 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS260.00
DC LEAKAGE AT REFERENCE TEMP2.500 MICROAMPERES
CASE INSULATION MATERIALPLASTIC
TERMINAL SURFACE TREATMENTSOLDER
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
CAPACITIVE ELECTRODE MATERIALALUMINUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
31D61Interchangeable
interchangeable cross-reference
interchangeable
3113AS3609-1Interchangeable
interchangeable cross-reference
interchangeable
CSTW-2Interchangeable
interchangeable cross-reference
interchangeable
G302627-9Interchangeable
Same NIIN cross-reference
interchangeable
30D256G006BB4Interchangeable
Same NIIN cross-reference
interchangeable
7504009P002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31D61?
31D61 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31D61?
There are 10 known substitutes for 31D61: 31D61, 3113AS3609-1, CSTW-2 and 7 more. Substitute compatibility should be verified for your specific system.
Is 31D61 still available?
31D61 is currently cancelled.
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