PartsTable
Technical Data Sheet
PartsTable / MRO / CA443
CA443 ✓ 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: 1.406 INCHES NOMINAL IN, body_diameter: 0.688 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 5910-00-050-2023, 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→ CA443
NSN: 5910-00-050-2023
FSC: 5910
CAGE: 0AF14 — RYAN EQUIPMENT CO INC (USA)
SPECIFICATIONS
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.406 INCHES NOMINAL IN
body_diameter0.688 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_section0.100 MICROFARADS SINGLE SECTION
unthreaded_mounting_hole_diameter0.281 INCHES NOMINAL IN
mounting_facility_type_and_quantity1 UNTHREADED MOUNTING HOLES
NSN5910-00-050-2023
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PAPER DIELECTRIC TITLE COMPONENT PN CA443 MFR CAPACITOR,FIXED,PAPER
KEY FEATURES
•
CAPACITANCE VALUE PER SECTION: 0.100 MICROFARADS SINGLE SECTION
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 UNTHREADED MOUNTING HOLES
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 15.0 MEGOHM-MICROFARADS
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.281 INCHES NOMINAL IN
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
FEATURES PROVIDED: HERMETICALLY SEALED CASE
•
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)
CAPACITANCE VALUE PER SECTION0.100 MICROFARADS SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY1 UNTHREADED MOUNTING HOLES
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP15.0 MEGOHM-MICROFARADS
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
UNTHREADED MOUNTING HOLE DIAMETER0.281 INCHES NOMINAL IN
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
FEATURES PROVIDEDHERMETICALLY SEALED CASE
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
BODY DIAMETER0.688 INCHES NOMINAL IN
BODY LENGTH1.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 37
17344Interchangeable
interchangeable cross-reference
interchangeable
LA361BInterchangeable
interchangeable cross-reference
interchangeable
984667-1Interchangeable
interchangeable cross-reference
interchangeable
CA441Interchangeable
interchangeable cross-reference
interchangeable
MILC12889BASICInterchangeable
interchangeable cross-reference
interchangeable
3100-0002-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA443?
CA443 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CA443?
There are 37 known substitutes for CA443: 17344, LA361B, 984667-1 and 34 more. Substitute compatibility should be verified for your specific system.
Is CA443 still available?
CA443 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