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KS9943L45 — CAPACITOR,FIXED,MICA DIELECTRIC

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

KS9943L45: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include body_style: BUTTON TYPE, W/MTG TABS, body_length: 0.125 INCHES NOMINAL IN, body_diameter: 0.656 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC, terminal_type_and_quantity: 1 TAB, SOLDER LUG. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-184-2967, 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→ KS9943L45
NSN: 5910-00-184-2967
FSC: 5910 — Capacitors
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
body_styleBUTTON TYPE, W/MTG TABS
body_length0.125 INCHES NOMINAL IN
body_diameter0.656 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity1 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section2000.000 PICOFARADS SINGLE SECTION
nonderated_continuous_voltage_rating_and_type_per_section500.0 DC SINGLE SECTION
temp_coefficient_of_capacitance_range_per_section_in_ppm_per_deg_celsius-200.0 TO 200.0 SINGLE SECTION
NSN5910-00-184-2967
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN KS9943L45 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
BODY DIAMETER: 0.656 INCHES NOMINAL IN
•
BODY STYLE: BUTTON TYPE, W/MTG TABS
•
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
•
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS: -200.0 TO 200.0 SINGLE SECTION
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 DC SINGLE SECTION
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
BODY LENGTH: 0.125 INCHES NOMINAL IN
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
BODY DIAMETER0.656 INCHES NOMINAL IN
BODY STYLEBUTTON TYPE, W/MTG TABS
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
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS-200.0 TO 200.0 SINGLE SECTION
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
BODY LENGTH0.125 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION2000.000 PICOFARADS SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
SUBSTITUTES & CROSS-REFERENCES 7
921R967Reference document
Same NSN cross-reference
Reference document — Secondary reference
BA107310-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
BA107310-14ISS1FIG19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BA-107310-14FIG19ISSUE1(SZ)Reference document
Same NSN cross-reference
Reference document — Secondary reference
BA-107310-14ISS1FIG19(SZ)Reference document
Same NSN cross-reference
Reference document — Secondary reference
B36095Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KS9943L45?
KS9943L45 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace KS9943L45?
There are 7 known substitutes for KS9943L45: 921R967, BA107310-14, BA107310-14ISS1FIG19 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KS9943L45?
KS9943L45 is cataloged in the U.S. Government catalog under NSN 5910-00-184-2967. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.