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Technical Data Sheet
PartsTable / MRO / CM55B222K
CM55B222K ✓ 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,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, body_style: W/O MTG HOLE(S)/SLOT(S), TERMINAL(S) ON ONE SURFACE, body_width: 1.310 INCHES NOMINAL IN, body_height: 0.470 INCHES NOMINAL IN, body_length: 1.750 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES 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 5910-00-101-3913, 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→ CM55B222K
NSN: 5910-00-101-3913
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC CASE
body_styleW/O MTG HOLE(S)/SLOT(S), TERMINAL(S) ON ONE SURFACE
body_width1.310 INCHES NOMINAL IN
body_height0.470 INCHES NOMINAL IN
body_length1.750 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
terminal_type_and_quantity2 THREADED HOLE
tolerance_range_per_section-2.00 TO 2.00 PERCENT SINGLE SECTION
schematic_diagram_designatorNO COMMON OR GROUNDED ELECTRODE(S)
capacitance_value_per_section2200.000 PICOFARADS SINGLE SECTION
NSN5910-00-101-3913
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CM55B222K MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
BODY STYLE: W/O MTG HOLE(S)/SLOT(S), TERMINAL(S) ON ONE SURFACE
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
BODY HEIGHT: 0.469 INCHES NOMINAL IN
•
MATERIAL: PLASTIC CASE
•
TERMINAL TYPE AND QUANTITY: 2 THREADED HOLE
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 2500.0 DC SINGLE SECTION
•
BODY LENGTH: 1.781 INCHES NOMINAL 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)
BODY STYLEW/O MTG HOLE(S)/SLOT(S), TERMINAL(S) ON ONE SURFACE
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
BODY HEIGHT0.469 INCHES NOMINAL IN
MATERIALPLASTIC CASE
TERMINAL TYPE AND QUANTITY2 THREADED HOLE
RELIABILITY INDICATORNOT ESTABLISHED
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION2500.0 DC SINGLE SECTION
BODY LENGTH1.781 INCHES NOMINAL IN
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
CAPACITANCE VALUE PER SECTION2200.000 PICOFARADS SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
61M05Interchangeable
interchangeable cross-reference
interchangeable
XMBWInterchangeable
interchangeable cross-reference
interchangeable
9ALSInterchangeable
interchangeable cross-reference
interchangeable
CM55E103JN3Interchangeable
interchangeable cross-reference
interchangeable
CM55E103J03Interchangeable
interchangeable cross-reference
interchangeable
CM55EG103GO3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CM55B222K?
CM55B222K is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CM55B222K?
There are 14 known substitutes for CM55B222K: 61M05, XMBW, 9ALS and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CM55B222K?
CM55B222K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-101-3913. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026