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Technical Data Sheet
KRU311 ✓ 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: 1.536 INCHES NOMINAL IN, body_diameter: 0.448 INCHES NOMINAL IN, terminal_length: 1.250 INCHES MINIMUM IN, terminal_diameter: 0.032 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 5910-01-298-8107, 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 KRU311
NSN: 5910-01-298-8107
FSC: 5910
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.536 INCHES NOMINAL IN
body_diameter0.448 INCHES NOMINAL IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.032 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN5910-01-298-8107
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN KRU311 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
NONDERATED OPERATING TEMP: -20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
ANODE TYPE: PLAIN FOIL
ELECTRICAL POLARIZATION: POLARIZED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 350.0 DC SINGLE SECTION
TERMINAL SURFACE TREATMENT: SOLDER
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 15.00
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)
RELIABILITY INDICATORNOT ESTABLISHED
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
ANODE TYPEPLAIN FOIL
ELECTRICAL POLARIZATIONPOLARIZED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION350.0 DC SINGLE SECTION
TERMINAL SURFACE TREATMENTSOLDER
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS15.00
BODY DIAMETER0.448 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5N79P/OPC3Interchangeable
interchangeable cross-reference
interchangeable
500D106M350EH2Interchangeable
interchangeable cross-reference
interchangeable
6N723PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KRU311?
KRU311 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace KRU311?
There are 3 known substitutes for KRU311: 5N79P/OPC3, 500D106M350EH2, 6N723PC3. Substitute compatibility should be verified for your specific system.
What is the NSN for KRU311?
KRU311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-298-8107. This indicates validated use in U.S. government and defense supply chains.
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