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C203 — CAPACITOR,FIXED,ELECTROLYTIC

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

C203: CAPACITOR,FIXED,ELECTROLYTIC.

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 phase: SINGLE INPUT, width: 0.375 INCHES NOMINAL IN, material: PAPER CASE, thickness: 0.025 INCHES NOMINAL IN, anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, AXIAL TERMINALS. This part is cataloged in the U.S.

Government catalog under NSN 6105-00-417-6363, 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→ C203
NSN: 6105-00-417-6363
NIINs: 004176363, 004693537, 005292738, 006465359, 013578492, 016054881
FSC: 6105 — Motors, Electrical
CAGE: 88422 — GENERAL ELECTRIC CO MOTOR BUSINESS GROUP (USA)
SPECIFICATIONS
phaseSINGLE INPUT
width0.375 INCHES NOMINAL IN
materialPAPER CASE
thickness0.025 INCHES NOMINAL IN
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, AXIAL TERMINALS
duty_cycleCONTINUOUS
flat_depth0.047 INCHES NOMINAL SINGLE END IN
body_length1.062 INCHES NOMINAL IN
design_typeNONREUSABLE
temp_rating180.0 FAHRENHEIT NOMINAL DEGF
power_rating0.250 HORSEPOWER OUTPUT
NSN6105-00-417-6363
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: C203 · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 SLOT
•
DUTY CYCLE: CONTINUOUS
•
PHASE: SINGLE INPUT
•
SHAFT DIAMETER: 0.500 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 50.0 INPUT
•
SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 3.000 INCHES SINGLE END IN
•
WINDING TYPE: INDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
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 SLOT
DUTY CYCLECONTINUOUS
PHASESINGLE INPUT
SHAFT DIAMETER0.500 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ50.0 INPUT
SHAFT CENTER TO MOUNTING SURFACE DISTANCE3.000 INCHES SINGLE END IN
OVERALL LENGTH9.910 INCHES IN
WINDING TYPEINDUCTION-SINGLE VALUE CAPACITOR SPLIT PHASE
MOUNTING METHODRESILIENT CRADLE
FRAME SIZE DESIGNATIOND48
SUBSTITUTES & CROSS-REFERENCES 7
S202-6515Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
C48E502Reference document
Same NSN cross-reference
Reference document — Secondary reference
309P366Reference document
Same NSN cross-reference
Reference document — Secondary reference
C48E902Reference document
Same NSN cross-reference
Reference document — Secondary reference
5KC35KG198XReference document
Same NSN cross-reference
Reference document — Secondary reference
C48H502Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is C203?
C203 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace C203?
There are 7 known substitutes for C203: S202-6515, C48E502, 309P366 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C203?
C203 is cataloged in the U.S. Government catalog under NSN 6105-00-417-6363. 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.