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Technical Data Sheet
A2851 ✓ 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 INSULATION, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.848 INCHES NOMINAL IN, body_diameter: 0.385 INCHES NOMINAL IN, largest_width: 0.056 INCHES ALL ENDS 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 5940-00-846-1718, 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 A2851
NSN: 5940-00-846-1718
FSC: 5940
CAGE: 83241 — EMERSON ELECTRIC CO DBA FUSITE DIVISION (USA)
SPECIFICATIONS
materialGLASS INSULATION
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.848 INCHES NOMINAL IN
body_diameter0.385 INCHES NOMINAL IN
largest_width0.056 INCHES ALL ENDS IN
overall_height0.421 INCHES0.421 INCHES IN
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.202 INCHES0.202 INCHES IN
basic_shape_styleNONTUBULAR ROUND
surface_treatmentTIN OVERALL EXCEPT INSULATION SINGLE LAYER
terminal_diameter0.032 INCHES NOMINAL IN
NSN5940-00-846-1718
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN A2851 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
FIRST END TERMINAL LENGTH: 0.182 INCHES IN
ELECTRICAL INSULATION FEATURE: INSULATING MOUNTING BUSHING
MOUNTING METHOD STYLE: PRESS FIT
MINOR BUSHING LENGTH: 0.036 INCHES IN
MATERIAL: STEEL CORROSION RESISTING OVERALL EXCEPT INSULATION
IDENTIFICATION CODE COLOR: WHITE
MAJOR BUSHING DIAMETER: 0.202 INCHES IN
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)
FIRST END TERMINAL LENGTH0.182 INCHES IN
OVERALL HEIGHT0.421 INCHES0.421 INCHES IN
ELECTRICAL INSULATION FEATUREINSULATING MOUNTING BUSHING
MOUNTING METHOD STYLEPRESS FIT
MINOR BUSHING LENGTH0.036 INCHES IN
MATERIALSTEEL CORROSION RESISTING OVERALL EXCEPT INSULATION
IDENTIFICATION CODE COLORWHITE
MAJOR BUSHING DIAMETER0.202 INCHES IN
SECOND END TERMINAL LENGTH0.179 INCHES IN
CONDUCTOR ACCOMMODATION TYPEFLAT WIRE W/HOLE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
700050Interchangeable
interchangeable cross-reference
interchangeable
522-0229-000Interchangeable
interchangeable cross-reference
interchangeable
TE1162Interchangeable
interchangeable cross-reference
interchangeable
A28-51Interchangeable
interchangeable cross-reference
interchangeable
28-51Interchangeable
interchangeable cross-reference
interchangeable
104FPInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2851?
A2851 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace A2851?
There are 8 known substitutes for A2851: 700050, 522-0229-000, TE1162 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2851?
A2851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-846-1718. This indicates validated use in U.S. government and defense supply chains.
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