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Technical Data Sheet
PartsTable / MRO / JMC6659
JMC6659 ✓ 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,VARIABLE,AIR DIELECTRI. Key specifications include body_style: CONCENTRIC, body_height: 0.306 INCHES NOMINAL IN, body_length: 0.469 INCHES NOMINAL IN, body_diameter: 0.281 INCHES NOMINAL IN, inclosure_type: UNINCLOSED, overall_length: 0.759 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 5910-00-484-0103, 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→ JMC6659
NSN: 5910-00-484-0103
FSC: 5910
CAGE: 91293 — KNOWLES CAZENOVIA, INC. DIV JOHANSON MANUFACTURING (USA)
SPECIFICATIONS
body_styleCONCENTRIC
body_height0.306 INCHES NOMINAL IN
body_length0.469 INCHES NOMINAL IN
body_diameter0.281 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
overall_length0.759 INCHES NOMINAL IN
special_featuresONE HUNDRED PCT BURN-IN AND SCREENING TESTS
terminal_type_and_quantity1 FLANGE
capacitance_range_in_picofarads+0.8 TO 10.0 SINGLE SECTION
mounting_facility_type_and_quantity1 FLANGE
adjustment_device_drive_type_and_quantity1 SHAFT
NSN5910-00-484-0103
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN JMC6659 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 FLANGE
•
BODY HEIGHT: 0.306 INCHES NOMINAL IN
•
INCLOSURE TYPE: UNINCLOSED
•
BODY LENGTH: 0.469 INCHES NOMINAL IN
•
CAPACITANCE RANGE IN PICOFARADS: +0.8 TO 10.0 SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 1 FLANGE
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SHAFT
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)
OVERALL LENGTH0.759 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY1 FLANGE
BODY HEIGHT0.306 INCHES NOMINAL IN
INCLOSURE TYPEUNINCLOSED
BODY LENGTH0.469 INCHES NOMINAL IN
CAPACITANCE RANGE IN PICOFARADS+0.8 TO 10.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY1 FLANGE
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SHAFT
BODY STYLECONCENTRIC
BODY DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2006 9Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
44479Interchangeable
interchangeable cross-reference
interchangeable
311291PCALLInterchangeable
interchangeable cross-reference
interchangeable
6659Interchangeable
interchangeable cross-reference
interchangeable
311291Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JMC6659?
JMC6659 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace JMC6659?
There are 15 known substitutes for JMC6659: 2006 9, GGG-D-751 TYC, 44479 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JMC6659?
JMC6659 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-484-0103. 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