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Technical Data Sheet
PartsTable / MRO / 30803963B
30803963B ✓ 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_height: 0.100 INCHES NOMINAL IN, body_diameter: 0.270 INCHES NOMINAL IN, inclosure_type: ENCASED, terminal_length: 0.150 INCHES NOMINAL IN, terminal_thickness: 0.005 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-119-2881, 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→ 30803963B
NSN: 5910-01-119-2881
FSC: 5910
CAGE: F0057 — THALES SIX GTS FRANCE SAS (FRA)
SPECIFICATIONS
body_styleROTARY
body_height0.100 INCHES NOMINAL IN
body_diameter0.270 INCHES NOMINAL IN
inclosure_typeENCASED
terminal_length0.150 INCHES NOMINAL IN
terminal_thickness0.005 INCHES NOMINAL IN
adjustment_device_torque0.200 INCH-OUNCES MINIMUM AND 2.000 INCH-OUNCES MAXIMUM IN
nonderated_operating_temp-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 PRINTED CIRCUIT
capacitance_range_in_picofarads+4.0 TO 18.0 SINGLE SECTION
quality_factor_at_25_deg_celsius1000.0
nonderated_voltage_rating_and_type250.0 DC CONTINUOUS SINGLE SECTION
NSN5910-01-119-2881
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 30803963B MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
INCLOSURE TYPE: ENCASED
•
TERMINAL TYPE AND QUANTITY: 2 PRINTED CIRCUIT
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 TERMINAL
•
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS: -300.0 SINGLE SECTION
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.220 INCHES NOMINAL IN
•
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY: 1 SQUARE HOLE
•
TERMINAL THICKNESS: 0.005 INCHES NOMINAL IN
•
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS: -800.0 TO 800.0 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)
INCLOSURE TYPEENCASED
TERMINAL TYPE AND QUANTITY2 PRINTED CIRCUIT
MOUNTING FACILITY TYPE AND QUANTITY2 TERMINAL
TEMP COEFFICIENT OF CAPACITANCE IN PPM PER DEG CELSIUS-300.0 SINGLE SECTION
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.220 INCHES NOMINAL IN
ADJUSTMENT DEVICE DRIVE TYPE AND QUANTITY1 SQUARE HOLE
TERMINAL THICKNESS0.005 INCHES NOMINAL IN
TOLERANCE OF TEMP COEFFICIENT IN PPM PER DEG CELSIUS-800.0 TO 800.0 SINGLE SECTION
NONDERATED OPERATING TEMP-20.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO DIAMETER0.220 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AR26528RInterchangeable
interchangeable cross-reference
interchangeable
9612Interchangeable
interchangeable cross-reference
interchangeable
AR26528Interchangeable
interchangeable cross-reference
interchangeable
PE1469105Interchangeable
interchangeable cross-reference
interchangeable
GGG-L-211Interchangeable
interchangeable cross-reference
interchangeable
334358Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30803963B?
30803963B is a CAPACITOR,VARIABLE,CERAMIC DIELE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 30803963B?
There are 22 known substitutes for 30803963B: AR26528R, 9612, AR26528 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30803963B?
30803963B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-119-2881. 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