PartsTable
Technical Data Sheet
PartsTable / MRO / 503-043B2P018R
503-043B2P018R ✓ 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,VARIABLE,CERAMIC DIELE. Key specifications include body_style: ROTARY, body_width: 0.656 INCHES NOMINAL IN, body_height: 0.375 INCHES NOMINAL IN, body_length: 0.844 INCHES NOMINAL IN, inclosure_type: ENCASED, terminal_type_and_quantity: 2 TAB, SOLDER LUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-126-1616, 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→ 503-043B2P018R
NSN: 5910-00-126-1616
FSC: 5910
CAGE: 59960 — JANBRIDGE INC (USA)
SPECIFICATIONS
body_styleROTARY
body_width0.656 INCHES NOMINAL IN
body_height0.375 INCHES NOMINAL IN
body_length0.844 INCHES NOMINAL IN
inclosure_typeENCASED
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+3.0 TO 13.0 SINGLE SECTION
unthreaded_mounting_hole_diameter0.120 INCHES NOMINAL IN
nonderated_voltage_rating_and_type500.0 DC CONTINUOUS SINGLE SECTION
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
distance_between_centerlines_of_mounting_facilities_parallel_to_body_width0.445 INCHES NOMINAL IN
NSN5910-00-126-1616
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 503-043B2P018R MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
BODY WIDTH: 0.656 INCHES NOMINAL IN
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
BODY LENGTH: 0.844 INCHES NOMINAL IN
•
BODY STYLE: ROTARY
•
CAPACITANCE RANGE IN PICOFARADS: +3.0 TO 13.0 SINGLE SECTION
•
NONDERATED VOLTAGE RATING AND TYPE: 500.0 DC CONTINUOUS SINGLE SECTION
•
INCLOSURE TYPE: ENCASED
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 WIDTH0.656 INCHES NOMINAL IN
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
BODY LENGTH0.844 INCHES NOMINAL IN
BODY STYLEROTARY
CAPACITANCE RANGE IN PICOFARADS+3.0 TO 13.0 SINGLE SECTION
NONDERATED VOLTAGE RATING AND TYPE500.0 DC CONTINUOUS SINGLE SECTION
INCLOSURE TYPEENCASED
UNTHREADED MOUNTING HOLE DIAMETER0.120 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
39-7Interchangeable
interchangeable cross-reference
interchangeable
SCB26814Interchangeable
interchangeable cross-reference
interchangeable
03105260Interchangeable
interchangeable cross-reference
interchangeable
422127-1Interchangeable
interchangeable cross-reference
interchangeable
ES489-2B01Interchangeable
interchangeable cross-reference
interchangeable
TS2A3-13Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-043B2P018R?
503-043B2P018R is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 503-043B2P018R?
There are 9 known substitutes for 503-043B2P018R: 39-7, SCB26814, 03105260 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-043B2P018R?
503-043B2P018R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-126-1616. 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