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Technical Data Sheet
PartsTable / MRO / CP54B1EF205K1
CP54B1EF205K1 ✓ 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,PAPER DIELECTRIC. Key specifications include body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 2.000 INCHES NOMINAL IN, body_height: 1.125 INCHES NOMINAL IN, body_length: 2.000 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-193-0359, 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→ CP54B1EF205K1
NSN: 5910-00-193-0359
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width2.000 INCHES NOMINAL IN
body_height1.125 INCHES NOMINAL IN
body_length2.000 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section2.000 MICROFARADS SINGLE SECTION
NSN5910-00-193-0359
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CP54B1EF205K1 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 2.000 MICROFARADS SINGLE SECTION
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED MOUNTING HOLES
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 2.375 INCHES NOMINAL IN
•
BODY WIDTH: 2.000 INCHES NOMINAL IN
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 20.0 MEGOHM-MICROFARADS
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)
CAPACITANCE VALUE PER SECTION2.000 MICROFARADS SINGLE SECTION
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED MOUNTING HOLES
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.375 INCHES NOMINAL IN
BODY WIDTH2.000 INCHES NOMINAL IN
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP20.0 MEGOHM-MICROFARADS
UNTHREADED MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL IN
BODY LENGTH2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
09451Interchangeable
interchangeable cross-reference
interchangeable
PBTS370Interchangeable
interchangeable cross-reference
interchangeable
CA205C601DDCInterchangeable
interchangeable cross-reference
interchangeable
CP53B15F205K1Interchangeable
interchangeable cross-reference
interchangeable
3475-3Interchangeable
interchangeable cross-reference
interchangeable
3475-300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CP54B1EF205K1?
CP54B1EF205K1 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CP54B1EF205K1?
There are 17 known substitutes for CP54B1EF205K1: 09451, PBTS370, CA205C601DDC and 14 more. Substitute compatibility should be verified for your specific system.
Is CP54B1EF205K1 still available?
CP54B1EF205K1 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