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Technical Data Sheet
PartsTable / MRO / CP05A1KB104K1
CP05A1KB104K1 ✓ 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: 0.312 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 5910-00-621-9880, 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→ CP05A1KB104K1
NSN: 5910-00-621-9880
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_diameter0.312 INCHES NOMINAL IN
terminal_length1.625 INCHES MINIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_diameter0.025 INCHES NOMINAL IN
dielectric_materialPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
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
NSN5910-00-621-9880
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN CP05A1KB104K1 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
BODY DIAMETER: 0.312 INCHES NOMINAL IN
•
DIELECTRIC MATERIAL: PAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 20.0 MEGOHM-MICROFARADS
•
CAPACITANCE VALUE PER SECTION: 0.100 MICROFARADS SINGLE SECTION
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
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.).
•
TERMINAL SURFACE TREATMENT: SOLDER
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 100.0 DC SINGLE SECTION
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)
BODY DIAMETER0.312 INCHES NOMINAL IN
DIELECTRIC MATERIALPAPER AND PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP20.0 MEGOHM-MICROFARADS
CAPACITANCE VALUE PER SECTION0.100 MICROFARADS SINGLE SECTION
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
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.).
TERMINAL SURFACE TREATMENTSOLDER
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
INTERNAL ELECTRICAL CONNECTION TYPEEXTENDED FOIL
CASE INSULATION MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MILC25Interchangeable
interchangeable cross-reference
interchangeable
CP05A1KB104KInterchangeable
interchangeable cross-reference
interchangeable
1983Interchangeable
interchangeable cross-reference
interchangeable
235-1379P36Interchangeable
Same NIIN cross-reference
interchangeable
TWU1P1E194Interchangeable
Same NIIN cross-reference
interchangeable
91P10491S2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CP05A1KB104K1?
CP05A1KB104K1 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace CP05A1KB104K1?
There are 12 known substitutes for CP05A1KB104K1: MILC25, CP05A1KB104K, 1983 and 9 more. Substitute compatibility should be verified for your specific system.
Is CP05A1KB104K1 still available?
CP05A1KB104K1 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