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Technical Data Sheet
PartsTable / MRO / TT100M20A
TT100M20A ✓ 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

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS, body_length: 1.375 INCHES NOMINAL IN, body_diameter: 0.383 INCHES NOMINAL IN, terminal_length: 1.500 INCHES NOMINAL IN, terminal_diameter: 0.032 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-201-3474, 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→ TT100M20A
NSN: 5910-01-201-3474
FSC: 5910
CAGE: 37942 — YOSEMITE INVESTMENT INC DBA NORTH AMERICAN CAPACITOR CO (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
body_length1.375 INCHES NOMINAL IN
body_diameter0.383 INCHES NOMINAL IN
terminal_length1.500 INCHES NOMINAL IN
terminal_diameter0.032 INCHES NOMINAL IN
reliability_indicatorESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN5910-01-201-3474
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN TT100M20A MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
CAPACITIVE ELECTRODE MATERIAL: ALUMINUM
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 100.0 DC SINGLE SECTION
•
BODY DIAMETER: 0.383 INCHES NOMINAL IN
•
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS: 9.04
•
TEST DATA DOCUMENT: 81349-MIL-C-39018 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.).
•
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
•
DC LEAKAGE AT REFERENCE TEMP: 4.000 MICROAMPERES
•
TERMINAL SURFACE TREATMENT: SOLDER
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)
CAPACITIVE ELECTRODE MATERIALALUMINUM
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION100.0 DC SINGLE SECTION
BODY DIAMETER0.383 INCHES NOMINAL IN
EQUIVALENT SERIES RESISTANCE AT REFERENCE TEMP IN OHMS9.04
TEST DATA DOCUMENT81349-MIL-C-39018 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.).
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
DC LEAKAGE AT REFERENCE TEMP4.000 MICROAMPERES
TERMINAL SURFACE TREATMENTSOLDER
CASE INSULATION MATERIALPLASTIC
SPECIFICATION/STANDARD DATA81349-MIL-C-39018/1 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
PEI 7303Interchangeable
interchangeable cross-reference
interchangeable
ST-28608Interchangeable
interchangeable cross-reference
interchangeable
C1992Interchangeable
interchangeable cross-reference
interchangeable
M39018-01-0200Interchangeable
interchangeable cross-reference
interchangeable
M39018/01-0649Interchangeable
interchangeable cross-reference
interchangeable
MILC39018-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TT100M20A?
TT100M20A is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace TT100M20A?
There are 14 known substitutes for TT100M20A: PEI 7303, ST-28608, C1992 and 11 more. Substitute compatibility should be verified for your specific system.
Is TT100M20A still available?
TT100M20A 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