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Technical Data Sheet
PartsTable / MRO / CQ05A1KF223K3
CQ05A1KF223K3 ✓ 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,PLASTIC DIELECTR. Key specifications include body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 0.938 INCHES NOMINAL IN, body_diameter: 0.375 INCHES NOMINAL IN, terminal_length: 1.625 INCHES MINIMUM IN, features_provided: HERMETICALLY SEALED CASE, terminal_diameter: 0.025 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-628-6235, 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→ CQ05A1KF223K3
NSN: 5910-00-628-6235
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length0.938 INCHES NOMINAL IN
body_diameter0.375 INCHES NOMINAL IN
terminal_length1.625 INCHES MINIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
case_insulation_materialPLASTIC
nonderated_operating_temp-65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-19978/19 GOVERNMENT SPECIFICATION
NSN5910-00-628-6235
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN CQ05A1KF223K3 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 250.0 MEGOHMS
•
TERMINAL LENGTH: 1.625 INCHES MINIMUM IN
•
TEST DATA DOCUMENT: 81349-MIL-C-19978 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 1.0000
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
TERMINAL SURFACE TREATMENT: SOLDER
•
INSULATION RESISTANCE AT REFERENCE TEMP: 25000.0 MEGOHMS
•
CASE INSULATION MATERIAL: PLASTIC
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)
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP250.0 MEGOHMS
TERMINAL LENGTH1.625 INCHES MINIMUM IN
TEST DATA DOCUMENT81349-MIL-C-19978 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT1.0000
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TERMINAL SURFACE TREATMENTSOLDER
INSULATION RESISTANCE AT REFERENCE TEMP25000.0 MEGOHMS
CASE INSULATION MATERIALPLASTIC
SPECIFICATION/STANDARD DATA81349-MIL-C-19978/19 GOVERNMENT SPECIFICATION
BODY STYLEW/O MTG FACILITIES, AXIAL TERMINALS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
TE1XAWG22/19/E-CU.VS-93Interchangeable
interchangeable cross-reference
interchangeable
E2219/93Interchangeable
interchangeable cross-reference
interchangeable
C1 5Y(E)AWG22/19WHOGInterchangeable
interchangeable cross-reference
interchangeable
0287-6Interchangeable
interchangeable cross-reference
interchangeable
JANC91Interchangeable
interchangeable cross-reference
interchangeable
CN35E203MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CQ05A1KF223K3?
CQ05A1KF223K3 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace CQ05A1KF223K3?
There are 20 known substitutes for CQ05A1KF223K3: TE1XAWG22/19/E-CU.VS-93, E2219/93, C1 5Y(E)AWG22/19WHOG and 17 more. Substitute compatibility should be verified for your specific system.
Is CQ05A1KF223K3 still available?
CQ05A1KF223K3 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