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PartsTable / COMPONENT / K5288
K5288 ✓ 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

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include color: GRAY/GREY, body_width: 0.760 INCHES MAXIMUM IN, body_height: 0.820 INCHES MAXIMUM IN, body_length: 0.950 INCHES MAXIMUM IN, overall_depth: 6.000 INCHES NOMINAL IN, overall_width: 8.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-417-3849, 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
K5288
NSN: 5950-00-417-3849
FSC: 5950
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)
SPECIFICATIONS
colorGRAY/GREY
body_width0.760 INCHES MAXIMUM IN
body_height0.820 INCHES MAXIMUM IN
body_length0.950 INCHES MAXIMUM IN
overall_depth6.000 INCHES NOMINAL IN
overall_width8.750 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
design_featurePUNCHED HOLES
inclosure_typeFULLY INCLOSED
overall_height3.500 INCHES NOMINAL IN
inductance_typeFIXED
mounting_methodTERMINAL SINGLE GROUP
NSN5950-00-417-3849
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN K5288 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
TERMINAL TYPE AND QUANTITY: 2 PIN
•
FREQUENCY RATING: 2.4 KILOHERTZ NOMINAL SINGLE COMPONENT
•
BODY WIDTH: 0.760 INCHES MAXIMUM IN
•
DC RESISTANCE RATING IN OHMS: 2.720 SINGLE COMPONENT SINGLE WINDING
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
•
WINDING OPERATING CURRENT: 300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
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)
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL TYPE AND QUANTITY2 PIN
FREQUENCY RATING2.4 KILOHERTZ NOMINAL SINGLE COMPONENT
BODY WIDTH0.760 INCHES MAXIMUM IN
DC RESISTANCE RATING IN OHMS2.720 SINGLE COMPONENT SINGLE WINDING
MOUNTING METHODTERMINAL SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
WINDING OPERATING CURRENT300.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
INDUCTANCE RATING8.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
43299Interchangeable
interchangeable cross-reference
interchangeable
NTE859Interchangeable
interchangeable cross-reference
interchangeable
5288Interchangeable
interchangeable cross-reference
interchangeable
K5288Interchangeable
interchangeable cross-reference
interchangeable
43299-1Interchangeable
interchangeable cross-reference
interchangeable
44C342526G1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K5288?
K5288 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace K5288?
There are 6 known substitutes for K5288: 43299, NTE859, 5288 and 3 more. Substitute compatibility should be verified for your specific system.
Is K5288 still available?
K5288 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026