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Technical Data Sheet
PartsTable / MRO / CP53B1EF205K
CP53B1EF205K ✓ 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 MAXIMUM IN, body_height: 1.125 INCHES MAXIMUM IN, body_length: 2.000 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-112-7399, 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→ CP53B1EF205K
NSN: 5910-00-112-7399
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 MAXIMUM IN
body_height1.125 INCHES MAXIMUM IN
body_length2.000 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_height_from_body0.750 INCHES NOMINAL IN
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 STANDOFF, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
NSN5910-00-112-7399
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CP53B1EF205K MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
BODY STYLE: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
BODY WIDTH: 2.000 INCHES NOMINAL IN
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 2.375 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED MOUNTING HOLES
•
BODY LENGTH: 2.000 INCHES NOMINAL IN
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 600.0 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 STYLEW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
BODY WIDTH2.000 INCHES NOMINAL IN
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.375 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED MOUNTING HOLES
BODY LENGTH2.000 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION600.0 DC SINGLE SECTION
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
CAPACITANCE VALUE PER SECTION2.000 MICROFARADS SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
R653071PC11SH3Interchangeable
interchangeable cross-reference
interchangeable
34753Interchangeable
interchangeable cross-reference
interchangeable
406989-1Interchangeable
interchangeable cross-reference
interchangeable
A7050-12Interchangeable
interchangeable cross-reference
interchangeable
A22-0000Interchangeable
interchangeable cross-reference
interchangeable
DYR6200Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CP53B1EF205K?
CP53B1EF205K is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CP53B1EF205K?
There are 25 known substitutes for CP53B1EF205K: R653071PC11SH3, 34753, 406989-1 and 22 more. Substitute compatibility should be verified for your specific system.
Is CP53B1EF205K still available?
CP53B1EF205K 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