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Technical Data Sheet
C346 ✓ 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 height: 1.188 INCHES NOMINAL IN, length: 1.313 INCHES NOMINAL IN, material: STEEL, anode_type: PLAIN FOIL, body_style: ROTARY, shaft_type: ROUND, SLOTTED SINGLE SHAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-00-127-1673, 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 C346
NSN: 5910-00-127-1673
FSC: 5910
CAGE: 78277 — SIGMA INSTRUMENTS INC (USA)
SPECIFICATIONS
height1.188 INCHES NOMINAL IN
length1.313 INCHES NOMINAL IN
materialSTEEL
anode_typePLAIN FOIL
body_styleROTARY
shaft_typeROUND, SLOTTED SINGLE SHAFT
body_length4.750 INCHES MAXIMUM IN
shaft_length0.122 INCHES NOMINAL SINGLE SHAFT IN
body_diameter2.578 INCHES MAXIMUM IN
inclosure_typeENCAPSULATED
overall_height0.326 INCHES NOMINAL IN
shaft_diameter0.086 INCHES NOMINAL SINGLE SHAFT IN
NSN5910-00-127-1673
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN C346 MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
CAPACITANCE VALUE PER SECTION: 11000.000 MICROFARADS SINGLE SECTION
DC LEAKAGE AT MAXIMUM OPERATING TEMP: 15000.0 MILLIAMPERES
SCHEMATIC DIAGRAM DESIGNATOR: NO COMMON OR GROUNDED ELECTRODE(S)
ANODE TYPE: PLAIN FOIL
BODY DIAMETER: 2.578 INCHES MAXIMUM IN
TOLERANCE RANGE PER SECTION: -10.00 TO 75.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP: -40.0 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)
RELIABILITY INDICATORNOT ESTABLISHED
CAPACITANCE VALUE PER SECTION11000.000 MICROFARADS SINGLE SECTION
DC LEAKAGE AT MAXIMUM OPERATING TEMP15000.0 MILLIAMPERES
SCHEMATIC DIAGRAM DESIGNATORNO COMMON OR GROUNDED ELECTRODE(S)
ANODE TYPEPLAIN FOIL
BODY DIAMETER2.578 INCHES MAXIMUM IN
TOLERANCE RANGE PER SECTION-10.00 TO 75.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
ELECTRICAL POLARIZATIONPOLARIZED
BODY LENGTH4.750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9665Interchangeable
interchangeable cross-reference
interchangeable
C346Interchangeable
interchangeable cross-reference
interchangeable
CTZ31CInterchangeable
interchangeable cross-reference
interchangeable
3042462Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C346?
C346 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace C346?
There are 4 known substitutes for C346: 9665, C346, CTZ31C and 1 more. Substitute compatibility should be verified for your specific system.
Is C346 still available?
C346 is currently cancelled.
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