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221M198 — CAPACITOR,FIXED,PLASTIC DIELECTR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

221M198: CAPACITOR,FIXED,PLASTIC DIELECTR.

CAPACITOR,FIXED,PLASTIC DIELECTR. Key specifications include material: CERAMIC CASE, body_style: W/THD MTG HOLE(S)/STUD(S) TERMINALS ON ONE SURFACE, body_width: 2.750 INCHES NOMINAL IN, body_height: 1.180 INCHES NOMINAL IN, body_length: 6.880 INCHES NOMINAL IN, terminal_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5910-00-153-8461, 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→ 221M198
NSN: 5910-00-153-8461
FSC: 5910 — Capacitors
CAGE: 56289 — SPRAGUE ELECTRIC CO WORLD HQS (USA)
SPECIFICATIONS
materialCERAMIC CASE
body_styleW/THD MTG HOLE(S)/STUD(S) TERMINALS ON ONE SURFACE
body_width2.750 INCHES NOMINAL IN
body_height1.180 INCHES NOMINAL IN
body_length6.880 INCHES NOMINAL IN
terminal_length0.375 INCHES NOMINAL IN
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.174 INCHES IN
reliability_indicatorNOT ESTABLISHED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 110.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 SOLDER STUD
NSN5910-00-153-8461
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,PLASTIC DIELECTR TITLE COMPONENT PN 221M198 MFR CAPACITOR,FIXED,PLASTI
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED MOUNTING HOLES
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH: 1.750 INCHES NOMINAL IN
•
BODY STYLE: W/THD MTG HOLE(S)/STUD(S) TERMINALS ON ONE SURFACE
•
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
•
POWER FACTOR AT REFERENCE TEMP IN PERCENT: 0.5000
•
NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 110.0 CELSIUS MAXIMUM DEGC
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH: 6.000 INCHES NOMINAL IN
•
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
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED MOUNTING HOLES
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.750 INCHES NOMINAL IN
BODY STYLEW/THD MTG HOLE(S)/STUD(S) TERMINALS ON ONE SURFACE
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
POWER FACTOR AT REFERENCE TEMP IN PERCENT0.5000
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 110.0 CELSIUS MAXIMUM DEGC
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH6.000 INCHES NOMINAL IN
TERMINAL SURFACE TREATMENTSOLDER
TERMINAL LENGTH0.375 INCHES NOMINAL IN
BODY WIDTH2.750 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5910 — Capacitors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5910-00-000-1038 5910-00-000-1049 5910-00-000-1080 5910-00-000-6838 5910-00-001-1913 5910-00-001-2576 5910-00-001-2577 5910-00-001-2578
SUBSTITUTES & CROSS-REFERENCES 2
SD32659-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
373220-001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 221M198?
221M198 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 221M198?
There are 2 known substitutes for 221M198: SD32659-1, 373220-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 221M198?
221M198 is cataloged in the U.S. Government catalog under NSN 5910-00-153-8461. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.