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Technical Data Sheet
PartsTable / MRO / CP55B1EC205K1
CP55B1EC205K1 ✓ 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: 1.000 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 5910-00-825-9752, 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→ CP55B1EC205K1
NSN: 5910-00-825-9752
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_height1.000 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
NSN5910-00-825-9752
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CP55B1EC205K1 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 200.0 DC SINGLE SECTION
•
CAPACITANCE VALUE PER SECTION: 2.000 MICROFARADS SINGLE SECTION
•
BODY LENGTH: 2.000 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED MOUNTING HOLES
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
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)
FEATURES PROVIDEDHERMETICALLY SEALED CASE
UNTHREADED MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL IN
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION200.0 DC SINGLE SECTION
CAPACITANCE VALUE PER SECTION2.000 MICROFARADS SINGLE SECTION
BODY LENGTH2.000 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED MOUNTING HOLES
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP20.0 MEGOHM-MICROFARADS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8193059Interchangeable
interchangeable cross-reference
interchangeable
BS7111-7Interchangeable
interchangeable cross-reference
interchangeable
1427Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-25/4Interchangeable
Same NIIN cross-reference
interchangeable
0S022189Interchangeable
Same NIIN cross-reference
interchangeable
MILC25Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CP55B1EC205K1?
CP55B1EC205K1 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CP55B1EC205K1?
There are 6 known substitutes for CP55B1EC205K1: 8193059, BS7111-7, 1427 and 3 more. Substitute compatibility should be verified for your specific system.
Is CP55B1EC205K1 still available?
CP55B1EC205K1 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