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KTG311B — CAPACITOR,FIXED,ELECTROLYTIC

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

KTG311B: 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 anode_type: PLAIN FOIL, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 1.491 INCHES MINIMUM AND 1.689 INCHES MAXIMUM IN, body_diameter: 0.831 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN, terminal_length: 0.210 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN, special_features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO4396.

This part is cataloged in the U.S. Government catalog under NSN 5910-01-339-9051, 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→ KTG311B
NSN: 5910-01-339-9051
FSC: 5910 — Capacitors
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
anode_typePLAIN FOIL
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length1.491 INCHES MINIMUM AND 1.689 INCHES MAXIMUM IN
body_diameter0.831 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN
terminal_length0.210 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO4396
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
case_insulation_materialPLASTIC
nonderated_operating_temp-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
tolerance_range_per_section-20.00 TO 30.00 PERCENT SINGLE SECTION
NSN5910-01-339-9051
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN KTG311B MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
•
BODY DIAMETER: 0.831 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN
•
BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END
•
TOLERANCE RANGE PER SECTION: -20.00 TO 30.00 PERCENT SINGLE SECTION
•
NONDERATED OPERATING TEMP: -40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
•
TERMINAL SURFACE TREATMENT: SOLDER
•
TERMINAL LENGTH: 0.210 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
ELECTRICAL POLARIZATION: POLARIZED
•
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.390 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
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
BODY DIAMETER0.831 INCHES MINIMUM AND 0.909 INCHES MAXIMUM IN
BODY STYLEW/O MTG FACILITIES, TERMINAL(S) ON ONE END
TOLERANCE RANGE PER SECTION-20.00 TO 30.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP-40.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
TERMINAL SURFACE TREATMENTSOLDER
TERMINAL LENGTH0.210 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
ELECTRICAL POLARIZATIONPOLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.390 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZY
ANODE TYPEPLAIN FOIL
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 4
3487BD392M035DFReference document
Same NSN cross-reference
Reference document — Secondary reference
80D392P035HD5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LO4396Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
80D392P035HD5DReference 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 KTG311B?
KTG311B is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace KTG311B?
There are 4 known substitutes for KTG311B: 3487BD392M035DF, 80D392P035HD5, LO4396 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KTG311B?
KTG311B is cataloged in the U.S. Government catalog under NSN 5910-01-339-9051. 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.