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Technical Data Sheet
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CM15B390J — Technical Data Sheet

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— · 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,MICA DIELECTRIC. Key specifications include body_style: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES, body_width: 0.516 INCHES NOMINAL IN, body_height: 0.297 INCHES NOMINAL IN, body_length: 0.188 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, terminal_type_and_quantity: 2 UNINSULATED WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5910-00-649-3018, 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→ CM15B390J
NSN: 5910-00-649-3018
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
body_width0.516 INCHES NOMINAL IN
body_height0.297 INCHES NOMINAL IN
body_length0.188 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
tolerance_range_per_section-5.00 TO 5.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section39.000 PICOFARADS SINGLE SECTION
NSN5910-00-649-3018
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM15B390J MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
BODY LENGTH: 0.188 INCHES NOMINAL IN
•
CAPACITANCE VALUE PER SECTION: 39.000 PICOFARADS SINGLE SECTION
•
BODY HEIGHT: 0.297 INCHES NOMINAL IN
•
BODY STYLE: W/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
•
BODY WIDTH: 0.516 INCHES NOMINAL IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
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
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
BODY LENGTH0.188 INCHES NOMINAL IN
CAPACITANCE VALUE PER SECTION39.000 PICOFARADS SINGLE SECTION
BODY HEIGHT0.297 INCHES NOMINAL IN
BODY STYLEW/O MTG FACILITIES, TERMINALS ON OPPOSITE SURFACES
BODY WIDTH0.516 INCHES NOMINAL IN
RELIABILITY INDICATORNOT ESTABLISHED
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TOLERANCE RANGE PER SECTION-5.00 TO 5.00 PERCENT SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MILC5TInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM55E562GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM55D241JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM25E271GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM50B472JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM40E622GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM15B390J?
CM15B390J is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM15B390J?
There are 12 known substitutes for CM15B390J: MILC5T, CM55E562G, CM55D241J and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM15B390J?
CM15B390J is cataloged in the Federal Logistics Information System under NSN 5910-00-649-3018. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026