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Technical Data Sheet
PartsTable / MRO / CQR39A1KF104K3M
CQR39A1KF104K3M ✓ 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: 1.438 INCHES NOMINAL IN, body_diameter: 0.625 INCHES NOMINAL IN, terminal_length: 1.625 INCHES MINIMUM IN, features_provided: HERMETICALLY SEALED CASE, terminal_diameter: 0.032 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-566-4127, 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→ CQR39A1KF104K3M
NSN: 5910-00-566-4127
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_length1.438 INCHES NOMINAL IN
body_diameter0.625 INCHES NOMINAL IN
terminal_length1.625 INCHES MINIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.032 INCHES NOMINAL IN
dielectric_materialPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
reliability_indicatorESTABLISHED
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
NSN5910-00-566-4127
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN CQR39A1KF104K3M MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
BODY STYLE: W/O MTG FACILITIES, AXIAL TERMINALS
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 1.0000
•
CASE INSULATION MATERIAL: PLASTIC
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
INSULATION RESISTANCE AT REFERENCE TEMP: 25000.0 MEGOHMS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-19978/16 GOVERNMENT SPECIFICATION
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
BODY STYLEW/O MTG FACILITIES, AXIAL TERMINALS
FEATURES PROVIDEDHERMETICALLY SEALED CASE
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT1.0000
CASE INSULATION MATERIALPLASTIC
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
INSULATION RESISTANCE AT REFERENCE TEMP25000.0 MEGOHMS
SPECIFICATION/STANDARD DATA81349-MIL-C-19978/16 GOVERNMENT SPECIFICATION
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.).
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION600.0 DC SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
21185Interchangeable
interchangeable cross-reference
interchangeable
30060-1Interchangeable
interchangeable cross-reference
interchangeable
4178765Interchangeable
interchangeable cross-reference
interchangeable
CP09A1KF104K3Interchangeable
interchangeable cross-reference
interchangeable
F102Interchangeable
interchangeable cross-reference
interchangeable
P688Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CQR39A1KF104K3M?
CQR39A1KF104K3M is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace CQR39A1KF104K3M?
There are 11 known substitutes for CQR39A1KF104K3M: 21185, 30060-1, 4178765 and 8 more. Substitute compatibility should be verified for your specific system.
Is CQR39A1KF104K3M still available?
CQR39A1KF104K3M 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