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Technical Data Sheet
PartsTable / MRO / CA34KFB254
CA34KFB254 ✓ 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 BRACKET, TERMINAL(S) ON ONE END, body_length: 1.531 INCHES NOMINAL IN, body_diameter: 0.750 INCHES NOMINAL IN, features_provided: HERMETICALLY SEALED CASE, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-822-3968, 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→ CA34KFB254
NSN: 5910-00-822-3968
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.531 INCHES NOMINAL IN
body_diameter0.750 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 THREADED HOLE
tolerance_range_per_section-10.00 TO 50.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section0.250 MICROFARADS SINGLE SECTION
unthreaded_mounting_hole_diameter0.281 INCHES NOMINAL IN
mounting_facility_type_and_quantity1 UNTHREADED MOUNTING HOLES
NSN5910-00-822-3968
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CA34KFB254 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
CAPACITANCE VALUE PER SECTION: 0.250 MICROFARADS SINGLE SECTION
•
BODY LENGTH: 1.531 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED MOUNTING HOLES
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 100.0 DC SINGLE SECTION
•
BODY DIAMETER: 0.750 INCHES NOMINAL IN
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 450.0 MEGOHMS
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)
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
CAPACITANCE VALUE PER SECTION0.250 MICROFARADS SINGLE SECTION
BODY LENGTH1.531 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED MOUNTING HOLES
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
BODY DIAMETER0.750 INCHES NOMINAL IN
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP450.0 MEGOHMS
FEATURES PROVIDEDHERMETICALLY SEALED CASE
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
226MAD1Interchangeable
interchangeable cross-reference
interchangeable
312A150Interchangeable
interchangeable cross-reference
interchangeable
12CW260BInterchangeable
interchangeable cross-reference
interchangeable
25704-281600-17-0Interchangeable
interchangeable cross-reference
interchangeable
312A28Interchangeable
interchangeable cross-reference
interchangeable
502031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA34KFB254?
CA34KFB254 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CA34KFB254?
There are 30 known substitutes for CA34KFB254: 226MAD1, 312A150, 12CW260B and 27 more. Substitute compatibility should be verified for your specific system.
Is CA34KFB254 still available?
CA34KFB254 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