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Technical Data Sheet
PartsTable / MRO / CB21PE301G
CB21PE301G ✓ 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 body_style: BUTTON TYPE, W/THD MTG HOLE/STUD, body_length: 0.380 INCHES NOMINAL IN, body_diameter: 0.450 INCHES NOMINAL IN, special_features: CASE MATERIAL METAL, nominal_thread_size: 0.099 INCHES IN, reliability_indicator: NOT ESTABLISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-988-1571, 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→ CB21PE301G
NSN: 5910-00-988-1571
FSC: 5910
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
body_styleBUTTON TYPE, W/THD MTG HOLE/STUD
body_length0.380 INCHES NOMINAL IN
body_diameter0.450 INCHES NOMINAL IN
special_featuresCASE MATERIAL METAL
nominal_thread_size0.099 INCHES IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSILVER
terminal_type_and_quantity2 TAB, SOLDER LUG
tolerance_range_per_section-2.00 TO 2.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
capacitance_value_per_section300.000 PICOFARADS SINGLE SECTION
NSN5910-00-988-1571
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN CB21PE301G MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
TEST DATA DOCUMENT: 81349-MIL-C-10950/2 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.).
•
BODY LENGTH: 0.380 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED MOUNTING HOLES
•
NOMINAL THREAD SIZE: 0.099 INCHES IN
•
TERMINAL SURFACE TREATMENT: SILVER
•
INSULATION RESISTANCE AT REFERENCE TEMP: 50000.0 MEGOHMS
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 300.0 DC 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-10950/2 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.).
BODY LENGTH0.380 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED MOUNTING HOLES
NOMINAL THREAD SIZE0.099 INCHES IN
SPECIAL FEATURESCASE MATERIAL METAL
TERMINAL SURFACE TREATMENTSILVER
INSULATION RESISTANCE AT REFERENCE TEMP50000.0 MEGOHMS
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION300.0 DC SINGLE SECTION
CRITICALITY CODE JUSTIFICATIONFEAT
CAPACITANCE VALUE PER SECTION300.000 PICOFARADS SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
370EA500Interchangeable
interchangeable cross-reference
interchangeable
370EAInterchangeable
interchangeable cross-reference
interchangeable
M36Interchangeable
interchangeable cross-reference
interchangeable
03019700Interchangeable
interchangeable cross-reference
interchangeable
MILC10950Interchangeable
Same NIIN cross-reference
interchangeable
MIL-C-10950/2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CB21PE301G?
CB21PE301G is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace CB21PE301G?
There are 6 known substitutes for CB21PE301G: 370EA500, 370EA, M36 and 3 more. Substitute compatibility should be verified for your specific system.
Is CB21PE301G still available?
CB21PE301G 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