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Technical Data Sheet
PartsTable / MRO / 281-023
281-023 ✓ 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,MICA DIELECTR. Key specifications include body_style: COMPRESSION, body_width: 0.750 INCHES NOMINAL IN, body_height: 0.156 INCHES NOMINAL IN, body_length: 0.625 INCHES NOMINAL IN, inclosure_type: ENCASED, terminal_type_and_quantity: 2 TAB, SOLDER LUG. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-563-1885, 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→ 281-023
NSN: 5910-00-563-1885
FSC: 5910
CAGE: 80009 — TEKTRONIX, INC. (USA)
SPECIFICATIONS
body_styleCOMPRESSION
body_width0.750 INCHES NOMINAL IN
body_height0.156 INCHES NOMINAL IN
body_length0.625 INCHES NOMINAL IN
inclosure_typeENCASED
terminal_type_and_quantity2 TAB, SOLDER LUG
capacitance_range_in_picofarads+9.0 TO 180.0 SINGLE SECTION
mounting_facility_type_and_quantity2 TAB
adjustment_device_drive_type_and_quantity1 SLOTTED SCREW
NSN5910-00-563-1885
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,MICA DIELECTR TITLE COMPONENT PN 281-023 MFR CAPACITOR,VARIABLE,MIC
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 TAB
•
CAPACITANCE RANGE IN PICOFARADS: +9.0 TO 180.0 SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG
•
INCLOSURE TYPE: ENCASED
•
BODY HEIGHT: 0.156 INCHES NOMINAL IN
•
BODY STYLE: COMPRESSION
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SLOTTED SCREW
•
BODY WIDTH: 0.750 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 (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY2 TAB
CAPACITANCE RANGE IN PICOFARADS+9.0 TO 180.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY2 TAB, SOLDER LUG
INCLOSURE TYPEENCASED
BODY HEIGHT0.156 INCHES NOMINAL IN
BODY STYLECOMPRESSION
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SLOTTED SCREW
BODY WIDTH0.750 INCHES NOMINAL IN
BODY LENGTH0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4253050-1Interchangeable
interchangeable cross-reference
interchangeable
BT368Interchangeable
interchangeable cross-reference
interchangeable
705785Interchangeable
interchangeable cross-reference
interchangeable
463Interchangeable
interchangeable cross-reference
interchangeable
29-64187Interchangeable
interchangeable cross-reference
interchangeable
641878Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 281-023?
281-023 is a CAPACITOR,VARIABLE,MICA DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 281-023?
There are 17 known substitutes for 281-023: 4253050-1, BT368, 705785 and 14 more. Substitute compatibility should be verified for your specific system.
Is 281-023 still available?
281-023 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