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Technical Data Sheet
PartsTable / MRO / 331-026COK0-209C
331-026COK0-209C ✓ 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,FIXED,CERAMIC DIELECTR. Key specifications include material: PLASTIC CASE, body_style: W/O MTG FACILITIES, RADIAL TERMINALS, body_length: 0.430 INCHES NOMINAL IN, body_diameter: 0.250 INCHES MAXIMUM IN, terminal_length: 1.250 INCHES MINIMUM IN, terminal_diameter: 0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-686-9136, 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→ 331-026COK0-209C
NSN: 5910-00-686-9136
FSC: 5910
CAGE: 72982 — ERIE SPECIALTY PRODUCTS INC (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
body_length0.430 INCHES NOMINAL IN
body_diameter0.250 INCHES MAXIMUM IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-0.25 TO 0.25 PICOFARADS SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
NSN5910-00-686-9136
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN 331-026COK0-209C MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 0.250 INCHES NOMINAL IN
•
TOLERANCE OF TEMP COEFFICIENT PER SECTION IN PPM PER DEG CELSIUS: -250.0 TO 250.0 SINGLE SECTION
•
TEMP COEFFICIENT OF CAPACITANCE PER SECTION IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
BODY DIAMETER: 0.250 INCHES MAXIMUM IN
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
•
TOLERANCE RANGE PER SECTION: -0.25 TO 0.25 PICOFARADS SINGLE SECTION
•
TERMINAL DIAMETER: 0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM 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)
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.250 INCHES NOMINAL IN
TOLERANCE OF TEMP COEFFICIENT PER SECTION IN PPM PER DEG CELSIUS-250.0 TO 250.0 SINGLE SECTION
TEMP COEFFICIENT OF CAPACITANCE PER SECTION IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
BODY DIAMETER0.250 INCHES MAXIMUM IN
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TOLERANCE RANGE PER SECTION-0.25 TO 0.25 PICOFARADS SINGLE SECTION
TERMINAL DIAMETER0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
CAPACITANCE VALUE PER SECTION2.000 PICOFARADS SINGLE SECTION
BODY LENGTH0.430 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
M3971/1-5-SInterchangeable
interchangeable cross-reference
interchangeable
M3971/1-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3971EInterchangeable
interchangeable cross-reference
interchangeable
119379Interchangeable
interchangeable cross-reference
interchangeable
331-026C0K0209CInterchangeable
interchangeable cross-reference
interchangeable
929-0016-00Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 331-026COK0-209C?
331-026COK0-209C is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 331-026COK0-209C?
There are 7 known substitutes for 331-026COK0-209C: M3971/1-5-S, M3971/1-5, MIL-DTL-3971E and 4 more. Substitute compatibility should be verified for your specific system.
Is 331-026COK0-209C still available?
331-026COK0-209C 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