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Technical Data Sheet
PartsTable / MRO / VK20BA390J
VK20BA390J ✓ 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 TERMINAL(S) ON ONE SURFACE, body_width: 0.190 INCHES NOMINAL IN, body_height: 0.090 INCHES NOMINAL IN, body_length: 0.190 INCHES NOMINAL IN, terminal_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-177-4623, 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→ VK20BA390J
NSN: 5910-01-177-4623
FSC: 5910
CAGE: 95275 — VITRAMON INC PO BOX 544 BRIDGEPORT CT 06601 (USA)
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.190 INCHES NOMINAL IN
body_height0.090 INCHES NOMINAL IN
body_length0.190 INCHES NOMINAL IN
terminal_length1.250 INCHES MINIMUM IN
terminal_diameter0.020 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
reliability_indicatorESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-C-20/35 GOVERNMENT SPECIFICATION
NSN5910-01-177-4623
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,CERAMIC DIELECTR TITLE COMPONENT PN VK20BA390J MFR CAPACITOR,FIXED,CERAMI
KEY FEATURES
•
TEST DATA DOCUMENT: 81349-MIL-C-20 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP: 10000.0 MEGOHMS
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-20/35 GOVERNMENT SPECIFICATION
•
TEMP COEFFICIENT OF CAPACITANCE PER SECTION IN PPM PER DEG CELSIUS: 0.0 SINGLE SECTION
•
TOLERANCE RANGE PER SECTION: -2.00 TO 2.00 PERCENT SINGLE SECTION
•
BODY HEIGHT: 0.090 INCHES NOMINAL IN
•
TOLERANCE OF TEMP COEFFICIENT PER SECTION IN PPM PER DEG CELSIUS: -30.0 TO 30.0 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)
TEST DATA DOCUMENT81349-MIL-C-20 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP10000.0 MEGOHMS
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
SPECIFICATION/STANDARD DATA81349-MIL-C-20/35 GOVERNMENT SPECIFICATION
TEMP COEFFICIENT OF CAPACITANCE PER SECTION IN PPM PER DEG CELSIUS0.0 SINGLE SECTION
TOLERANCE RANGE PER SECTION-2.00 TO 2.00 PERCENT SINGLE SECTION
BODY HEIGHT0.090 INCHES NOMINAL IN
TOLERANCE OF TEMP COEFFICIENT PER SECTION IN PPM PER DEG CELSIUS-30.0 TO 30.0 SINGLE SECTION
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.200 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
73-81985-2Interchangeable
interchangeable cross-reference
interchangeable
2597-12Interchangeable
interchangeable cross-reference
interchangeable
1JA2597H12Interchangeable
interchangeable cross-reference
interchangeable
206461Interchangeable
interchangeable cross-reference
interchangeable
2222-638-10399Interchangeable
interchangeable cross-reference
interchangeable
CCR05CG390JPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is VK20BA390J?
VK20BA390J is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace VK20BA390J?
There are 20 known substitutes for VK20BA390J: 73-81985-2, 2597-12, 1JA2597H12 and 17 more. Substitute compatibility should be verified for your specific system.
Is VK20BA390J still available?
VK20BA390J is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026