PartsTable
Technical Data Sheet
PC21J4R5 ✓ 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: PISTON, body_length: 0.168 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_length: 0.329 INCHES MAXIMUM IN, terminal_length: 0.100 INCHES NOMINAL IN, overall_diameter: 0.140 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-198-2537, 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 PC21J4R5
NSN: 5910-01-198-2537
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_stylePISTON
body_length0.168 INCHES NOMINAL IN
inclosure_typeENCASED
overall_length0.329 INCHES MAXIMUM IN
terminal_length0.100 INCHES NOMINAL IN
overall_diameter0.140 INCHES NOMINAL IN
terminal_thickness0.008 INCHES NOMINAL IN
adjustment_device_torque0.200 INCH-OUNCES MINIMUM AND 2.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 PRINTED CIRCUIT
specification/standard_data81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION
capacitance_range_in_picofarads+0.6 TO 4.5 SINGLE SECTION
NSN5910-01-198-2537
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN PC21J4R5 MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
TERMINAL THICKNESS: 0.008 INCHES NOMINAL IN
BODY STYLE: PISTON
SPECIFICATION/STANDARD DATA: 81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS: -50.0 TO 50.0 SINGLE SECTION
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
QUALITY FACTOR AT 25 DEG CELSIUS: 3000.0
INCLOSURE TYPE: ENCASED
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
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 THICKNESS0.008 INCHES NOMINAL IN
BODY STYLEPISTON
SPECIFICATION/STANDARD DATA81349-MIL-C-14409/16 GOVERNMENT SPECIFICATION
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS-50.0 TO 50.0 SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
QUALITY FACTOR AT 25 DEG CELSIUS3000.0
INCLOSURE TYPEENCASED
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL
CAPACITANCE RANGE IN PICOFARADS+0.6 TO 4.5 SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
7271Interchangeable
interchangeable cross-reference
interchangeable
RELEASE2558Interchangeable
interchangeable cross-reference
interchangeable
P58Interchangeable
interchangeable cross-reference
interchangeable
58Interchangeable
interchangeable cross-reference
interchangeable
M5AInterchangeable
interchangeable cross-reference
interchangeable
PAC6.7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC21J4R5?
PC21J4R5 is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace PC21J4R5?
There are 20 known substitutes for PC21J4R5: 7271, RELEASE2558, P58 and 17 more. Substitute compatibility should be verified for your specific system.
Is PC21J4R5 still available?
PC21J4R5 is currently cancelled.
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