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Technical Data Sheet
PartsTable / MRO / 661-01105B3-501M
661-01105B3-501M ✓ 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/O MTG TABS, body_length: 0.148 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, body_diameter: 0.432 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN, terminal_length: 0.125 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, nonderated_operating_temp: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-648-7350, 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→ 661-01105B3-501M
NSN: 5910-00-648-7350
FSC: 5910
CAGE: 72982 — ERIE SPECIALTY PRODUCTS INC (USA)
SPECIFICATIONS
body_styleBUTTON TYPE, W/O MTG TABS
body_length0.148 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
body_diameter0.432 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN
terminal_length0.125 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity1 TAB, SOLDER LUG
tolerance_range_per_section-20.00 TO 20.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section500.000 PICOFARADS SINGLE SECTION
quality_factor_at_reference_temp1000.000
NSN5910-00-648-7350
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 661-01105B3-501M MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
BODY STYLE: BUTTON TYPE, W/O MTG TABS
•
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS: -20.0 TO 100.0 SINGLE SECTION
•
BODY LENGTH: 0.148 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
TERMINAL LENGTH: 0.125 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG
•
SCHEMATIC DIAGRAM DESIGNATOR: ELECTRODE(S) GROUNDED TO CASE
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
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 STYLEBUTTON TYPE, W/O MTG TABS
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 100.0 SINGLE SECTION
BODY LENGTH0.148 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TERMINAL LENGTH0.125 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
INSULATION RESISTANCE AT REFERENCE TEMP10000.0 MEGOHMS
TERMINAL SURFACE TREATMENTSOLDER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
M3-8Interchangeable
interchangeable cross-reference
interchangeable
CB31PE242GInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-10950/3Interchangeable
interchangeable cross-reference
interchangeable
C98B3Interchangeable
interchangeable cross-reference
interchangeable
US2520Interchangeable
interchangeable cross-reference
interchangeable
38X3AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661-01105B3-501M?
661-01105B3-501M is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 661-01105B3-501M?
There are 14 known substitutes for 661-01105B3-501M: M3-8, CB31PE242G, MIL-C-10950/3 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 661-01105B3-501M?
661-01105B3-501M is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-648-7350. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026