PartsTable
Technical Data Sheet
F121 ✓ 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: STEEL OVERALL, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.870 INCHES MAXIMUM IN, body_height: 0.150 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, body_length: 0.680 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN, overall_length: 0.906 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-049-6559, 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 F121
NSN: 5910-01-049-6559
FSC: 5910
CAGE: 57655 — NAUTEL MAINE INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.870 INCHES MAXIMUM IN
body_height0.150 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
body_length0.680 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
overall_length0.906 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
terminal_length1.000 INCHES MINIMUM IN
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
terminal_diameter0.040 INCHES NOMINAL IN
NSN5910-01-049-6559
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN F121 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
TEST DATA DOCUMENT: 81349-MIL-C-39001 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.).
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH: 0.425 INCHES NOMINAL IN
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT: 0.0014
TERMINAL SURFACE TREATMENT: SOLDER
INSULATION RESISTANCE AT REFERENCE TEMP: 100000.0 MEGOHMS
MATERIAL: PLASTIC CASE
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-39001 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.).
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH0.425 INCHES NOMINAL IN
DISSIPATION FACTOR AT REFERENCE TEMP IN PERCENT0.0014
TERMINAL SURFACE TREATMENTSOLDER
INSULATION RESISTANCE AT REFERENCE TEMP100000.0 MEGOHMS
MATERIALPLASTIC CASE
INSULATION RESISTANCE AT MAXIMUM OPERATING TEMP33.0 MEGOHM-MICROFARADS
TERMINAL LENGTH1.000 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MILC5-18Interchangeable
interchangeable cross-reference
interchangeable
CM07FD562J03Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-39006/5Interchangeable
interchangeable cross-reference
interchangeable
CMR07F562J0DRInterchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL1STAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F121?
F121 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace F121?
There are 16 known substitutes for F121: MILC5-18, CM07FD562J03, MIL-C-39006/5 and 13 more. Substitute compatibility should be verified for your specific system.
Is F121 still available?
F121 is currently cancelled.
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