PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 911-43-1
911-43-1 ✓ Verified by PartsTable
— · COMPONENT
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,CERAMIC DIELECTR. Key specifications include body_length: 1.625 INCHES NOMINAL IN, overall_width: 2.000 INCHES NOMINAL IN, inclosure_type: OPEN, overall_height: 2.125 INCHES NOMINAL IN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-044-5578, 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
911-43-1
NSN: 5950-00-044-5578
FSC: 5950
CAGE: 02574 — REGULATORS PRODUCTS GROUP OF WARD LEONARD ELECTRIC CO INC (USA)
SPECIFICATIONS
body_length1.625 INCHES NOMINAL IN
overall_width2.000 INCHES NOMINAL IN
inclosure_typeOPEN
overall_height2.125 INCHES NOMINAL IN
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.166 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current70.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage108.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity4 SOLDER STUD
NSN5950-00-044-5578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 911-43-1 MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 4 SOLDER STUD
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
INCLOSURE TYPE: OPEN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
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)
TERMINAL TYPE AND QUANTITY4 SOLDER STUD
OVERALL HEIGHT2.125 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
INCLOSURE TYPEOPEN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
OVERALL WIDTH2.000 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING VOLTAGE108.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
352250008369Interchangeable
interchangeable cross-reference
interchangeable
CK12-1KKInterchangeable
interchangeable cross-reference
interchangeable
CK12BX102KInterchangeable
interchangeable cross-reference
interchangeable
91143-1Interchangeable
interchangeable cross-reference
interchangeable
734501-1Interchangeable
interchangeable cross-reference
interchangeable
10128077Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 911-43-1?
911-43-1 is a CAPACITOR,FIXED,CERAMIC DIELECTR.
What parts can replace 911-43-1?
There are 6 known substitutes for 911-43-1: 352250008369, CK12-1KK, CK12BX102K and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 911-43-1?
911-43-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-044-5578. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026