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Technical Data Sheet
PartsTable / MRO / PC28J3R5
PC28J3R5 ✓ 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,AIR DIELECTRI. Key specifications include body_style: PISTONPISTON, body_length: 0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN, inclosure_type: ENCASEDENCASED, overall_length: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_diameter: 0.145 INCHES NOMINAL0.145 INCHES NOMINAL IN, tuning_characteristic: STRAIGHT LINE CAPACITY SINGLE SECTIONSTRAIGHT LINE CAPACITY SINGLE SECTION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-097-2016, 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→ PC28J3R5
NSN: 5910-01-097-2016
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_stylePISTONPISTON
body_length0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN
inclosure_typeENCASEDENCASED
overall_length0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_diameter0.145 INCHES NOMINAL0.145 INCHES NOMINAL IN
tuning_characteristicSTRAIGHT LINE CAPACITY SINGLE SECTIONSTRAIGHT LINE CAPACITY SINGLE SECTION
adjustment_device_torque0.300 INCH-OUNCES MINIMUM AND 0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM3.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 WIRE LEAD2 WIRE LEAD
specification/standard_data81349-MIL-C-14409/14 GOVERNMENT SPECIFICATION81349-MIL-C-14409/14 GOVERNMENT SPECIFICATION
capacitance_drift_in_picofarads0.02 SINGLE SECTION0.02 SINGLE SECTION
capacitance_range_in_picofarads+0.35 TO 3.50 SINGLE SECTION+0.35 TO 3.50 SINGLE SECTION
NSN5910-01-097-2016
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,AIR DIELECTRI TITLE COMPONENT PN PC28J3R5 MFR CAPACITOR,VARIABLE,AIR
KEY FEATURES
•
INSULATION DC RESISTANCE AT MAX OPERATING TEMP: 100.0 GIGOHMS100.0 GIGOHMS
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL2 TERMINAL
•
NONDERATED VOLTAGE RATING AND TYPE: 250.0 DC CONTINUOUS SINGLE SECTION250.0 DC CONTINUOUS SINGLE SECTION
•
TUNING CHARACTERISTIC: STRAIGHT LINE CAPACITY SINGLE SECTIONSTRAIGHT LINE CAPACITY SINGLE SECTION
•
ADJUSTMENT DEVICE TORQUE: 0.300 INCH-OUNCES MINIMUM AND 0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM3.000 INCH-OUNCES MAXIMUM IN
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION0.0 SINGLE SECTION
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 0.266 INCHES NOMINAL0.266 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)
INSULATION DC RESISTANCE AT MAX OPERATING TEMP100.0 GIGOHMS100.0 GIGOHMS
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL2 TERMINAL
NONDERATED VOLTAGE RATING AND TYPE250.0 DC CONTINUOUS SINGLE SECTION250.0 DC CONTINUOUS SINGLE SECTION
OVERALL LENGTH0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
TUNING CHARACTERISTICSTRAIGHT LINE CAPACITY SINGLE SECTIONSTRAIGHT LINE CAPACITY SINGLE SECTION
ADJUSTMENT DEVICE TORQUE0.300 INCH-OUNCES MINIMUM AND 0.300 INCH-OUNCES MINIMUM AND 3.000 INCH-OUNCES MAXIMUM3.000 INCH-OUNCES MAXIMUM IN
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION0.0 SINGLE SECTION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.266 INCHES NOMINAL0.266 INCHES NOMINAL IN
CAPACITANCE RANGE IN PICOFARADS+0.35 TO 3.50 SINGLE SECTION+0.35 TO 3.50 SINGLE SECTION
INCLOSURE TYPEENCASEDENCASED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
5801Interchangeable
interchangeable cross-reference
interchangeable
922-0583-060Interchangeable
interchangeable cross-reference
interchangeable
MVM003WInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-14409/14Interchangeable
interchangeable cross-reference
interchangeable
PC29J100Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-14409/14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC28J3R5?
PC28J3R5 is a CAPACITOR,VARIABLE,AIR DIELECTRI. It is classified as a MRO (MRO_GENERAL).
What parts can replace PC28J3R5?
There are 12 known substitutes for PC28J3R5: 5801, 922-0583-060, MVM003W and 9 more. Substitute compatibility should be verified for your specific system.
Is PC28J3R5 still available?
PC28J3R5 is currently cancelled.
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Last verified: July 2026