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Technical Data Sheet
E1811PC51 ✓ Verified by PartsTable
· COMPONENT
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 color: BLACK, material: BRASS OVERALL, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_height: 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN, body_length: 5.312 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 2825-00-390-4078, 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
E1811PC51
NSN: 2825-00-390-4078
FSC: 2825
CAGE: 59560 — TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO (USA)
SPECIFICATIONS
colorBLACK
materialBRASS OVERALL
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_height0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
body_length5.312 INCHES NOMINAL IN
body_diameter2.000 INCHES NOMINAL IN
overall_width0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
terminal_typePRINTED CIRCUIT SINGLE MATING END FIRST CONTACT GROUPING
overall_length0.260 INCHES MAXIMUM IN
insert_materialPLASTIC POLYAMIDE NYLON OR PLASTIC POLYCARBONATE SINGLE MATING END
mounting_methodTERMINAL
NSN2825-00-390-4078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN E1811PC51 MFR CAPACITOR,FIXED,ELECTR
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
221-79Interchangeable
interchangeable cross-reference
interchangeable
A221-79Interchangeable
interchangeable cross-reference
interchangeable
SM-A-617906-29Interchangeable
interchangeable cross-reference
interchangeable
B4494Interchangeable
interchangeable cross-reference
interchangeable
386-7261P001Interchangeable
interchangeable cross-reference
interchangeable
386-7261P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1811PC51?
E1811PC51 is a CAPACITOR,FIXED,ELECTROLYTIC.
What parts can replace E1811PC51?
There are 11 known substitutes for E1811PC51: 221-79, A221-79, SM-A-617906-29 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E1811PC51?
E1811PC51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-390-4078. This indicates validated use in U.S. government and defense supply chains.
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