PartsTable
Technical Data Sheet
PartsTable / MRO / 8121
8121 ✓ 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,CERAMIC DIELECTR. Key specifications include diameter: 0.250 INCHES NOMINAL IN, style_designator: INTERNALLY THREADED FULL LENGTH, cross-sectional_shape: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-702-7235, 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→ 8121
NSN: 6625-00-702-7235
FSC: 6625
CAGE: 55026 — SIMPSON ELECTRIC COMPANY, INC. (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
style_designatorINTERNALLY THREADED FULL LENGTH
cross-sectional_shapeROUND
NSN6625-00-702-7235
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 8121 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 BINDING POST
•
MOUNTING ARRANGEMENT STYLE: FOUR HOLE/STUD RECTANGULAR/SQUARE
•
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED STUD(S)
•
COLOR: UNABLE TO DECODE
•
MATERIAL: PLASTIC
•
STYLE DESIGNATOR: RECTANGULAR FLUSH MTG
•
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.770 INCHES NOMINAL 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)
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 BINDING POST
MOUNTING ARRANGEMENT STYLEFOUR HOLE/STUD RECTANGULAR/SQUARE
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED STUD(S)
COLORUNABLE TO DECODE
MATERIALPLASTIC
STYLE DESIGNATORRECTANGULAR FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.770 INCHES NOMINAL IN
METER DEPTH BEHIND MOUNTING FLANGE2.010 INCHES NOMINAL IN
MOUNTING STUD DIAMETER0.112 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
8121Interchangeable
interchangeable cross-reference
interchangeable
CR-141Interchangeable
interchangeable cross-reference
interchangeable
SS-7208HInterchangeable
interchangeable cross-reference
interchangeable
13B23947-00Interchangeable
interchangeable cross-reference
interchangeable
2N3947Interchangeable
interchangeable cross-reference
interchangeable
51-08121-55Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8121?
8121 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8121?
There are 16 known substitutes for 8121: 8121, CR-141, SS-7208H and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8121?
8121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-702-7235. 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