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Technical Data Sheet
PartsTable / MRO / S6618-1
S6618-1 ✓ 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

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include body_style: W/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE, body_width: 2.375 INCHES NOMINAL IN, body_height: 4.625 INCHES NOMINAL IN, body_length: 2.688 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES 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 5910-00-668-0536, 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→ S6618-1
NSN: 5910-00-668-0536
FSC: 5910
CAGE: 89194 — WEBSTER ELECTRIC CO
SPECIFICATIONS
body_styleW/THD MTG HOLE(S)/STUD(S) TERMINAL(S) ON ONE SURFACE
body_width2.375 INCHES NOMINAL IN
body_height4.625 INCHES NOMINAL IN
body_length2.688 INCHES NOMINAL IN
section_quantity4
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity6 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 30.00 PERCENT 1ST SECTION AND -10.00 TO 30.00 PERCENT 2ND SECTION AND -10.00 TO 30.00 PERCENT 3RD SECTION AND -10.00 TO 30.00 PERCENT 4TH SECTION
schematic_diagram_designatorQUAD, ONE COMMON TERMINAL FOR EACH PAIR
NSN5910-00-668-0536
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN S6618-1 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 6 TAB, SOLDER LUG
•
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATOR: UNF
•
BODY WIDTH: 2.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
CAPACITANCE VALUE PER SECTION: 4.000 MICROFARADS 1ST SECTION AND 4.000 MICROFARADS 2ND SECTION AND 4.000 MICROFARADS 3RD SECTION AND 4.000 MICROFARADS 4TH SECTION
•
SECTION QUANTITY: 4
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 1.750 INCHES NOMINAL IN
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
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)
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG
MOUNTING FACILITY SCREW THREAD SERIES DESIGNATORUNF
BODY WIDTH2.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.190 INCHES IN
CAPACITANCE VALUE PER SECTION4.000 MICROFARADS 1ST SECTION AND 4.000 MICROFARADS 2ND SECTION AND 4.000 MICROFARADS 3RD SECTION AND 4.000 MICROFARADS 4TH SECTION
SECTION QUANTITY4
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH1.750 INCHES NOMINAL IN
FEATURES PROVIDEDHERMETICALLY SEALED CASE
RELIABILITY INDICATORNOT ESTABLISHED
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10802Interchangeable
interchangeable cross-reference
interchangeable
98587-C PIECE 2Interchangeable
interchangeable cross-reference
interchangeable
MILG8266Interchangeable
interchangeable cross-reference
interchangeable
5298441Interchangeable
interchangeable cross-reference
interchangeable
7362396Interchangeable
interchangeable cross-reference
interchangeable
11A9210Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S6618-1?
S6618-1 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace S6618-1?
There are 14 known substitutes for S6618-1: 10802, 98587-C PIECE 2, MILG8266 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S6618-1?
S6618-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-668-0536. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026