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WE1943 ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include body_width: 2.540 INCHES NOMINAL IN, body_height: 4.820 INCHES NOMINAL IN, body_length: 4.320 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) ALL GROUPINGS, 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 5950-00-464-2511, 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
WE1943
NSN: 5950-00-464-2511
FSC: 5950
CAGE: 26543 — WEMS ELECTRONICS TRANSFORMER GROUP (USA)
SPECIFICATIONS
body_width2.540 INCHES NOMINAL IN
body_height4.820 INCHES NOMINAL IN
body_length4.320 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) ALL GROUPINGS
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.164 INCHES ALL GROUPINGS IN
reliability_indicatorNOT ESTABLISHED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS
winding_shielding_methodINTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
winding_operating_current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage27.40 AC VOLTS MINIMUM AND 197.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
NSN5950-00-464-2511
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN WE1943 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
BODY WIDTH: 2.540 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.164 INCHES ALL GROUPINGS IN
•
MOUNTING FACILITY QUANTITY: 6 SECOND GROUP
•
TERMINAL TYPE AND QUANTITY: 24 SOLDER STUD
•
WINDING OPERATING VOLTAGE: 27.40 AC VOLTS MINIMUM AND 197.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.685 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INCLOSURE TYPE: FULLY INCLOSED
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 WIDTH2.540 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES ALL GROUPINGS IN
MOUNTING FACILITY QUANTITY6 SECOND GROUP
TERMINAL TYPE AND QUANTITY24 SOLDER STUD
WINDING OPERATING VOLTAGE27.40 AC VOLTS MINIMUM AND 197.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.685 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
INCLOSURE TYPEFULLY INCLOSED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH1.850 INCHES NOMINAL SECOND MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
7273Interchangeable
interchangeable cross-reference
interchangeable
D15-716PPC721Interchangeable
interchangeable cross-reference
interchangeable
8821Interchangeable
interchangeable cross-reference
interchangeable
EAB1706Interchangeable
interchangeable cross-reference
interchangeable
92938Interchangeable
interchangeable cross-reference
interchangeable
24185Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WE1943?
WE1943 is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace WE1943?
There are 16 known substitutes for WE1943: 7273, D15-716PPC721, 8821 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WE1943?
WE1943 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-464-2511. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026