KTK311B — CAPACITOR,FIXED,ELECTROLYTIC

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

KTK311B: 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: 0.472 INCHES MAXIMUM IN, body_diameter: 0.256 INCHES MAXIMUM IN, terminal_length: 0.984 INCHES MAXIMUM IN, special_features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO4307.

This part is cataloged in the U.S. Government catalog under NSN 5910-01-322-6982, 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→ KTK311B

NSN: 5910-01-322-6982
FSC: 5910 — Capacitors
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)

SPECIFICATIONS

anode_type	PLAIN FOIL
body_style	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length	0.472 INCHES MAXIMUM IN
body_diameter	0.256 INCHES MAXIMUM IN
terminal_length	0.984 INCHES MAXIMUM IN
special_features	ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO4307
terminal_diameter	0.025 INCHES NOMINAL IN
reliability_indicator	NOT ESTABLISHED
electrical_polarization	POLARIZED
case_insulation_material	PLASTIC
nonderated_operating_temp	-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatment	SOLDER
NSN	5910-01-322-6982

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.256 INCHES MAXIMUM IN

•

TERMINAL DIAMETER: 0.025 INCHES NOMINAL IN

•

BODY STYLE: W/O MTG FACILITIES, TERMINAL(S) ON ONE END

•

TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION

•

NONDERATED OPERATING TEMP: -55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC

•

TERMINAL SURFACE TREATMENT: SOLDER

•

TERMINAL LENGTH: 0.984 INCHES MAXIMUM IN

•

ELECTRICAL POLARIZATION: POLARIZED

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 DIAMETER	0.256 INCHES MAXIMUM IN
TERMINAL DIAMETER	0.025 INCHES NOMINAL IN
BODY STYLE	W/O MTG FACILITIES, TERMINAL(S) ON ONE END
TOLERANCE RANGE PER SECTION	-20.00 TO 20.00 PERCENT SINGLE SECTION
NONDERATED OPERATING TEMP	-55.0 CELSIUS MINIMUM AND 105.0 CELSIUS MAXIMUM DEGC
TERMINAL SURFACE TREATMENT	SOLDER
TERMINAL LENGTH	0.984 INCHES MAXIMUM IN
ELECTRICAL POLARIZATION	POLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER	0.075 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATION	ZZZY

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 3

511D226M035AA3DReference document

Same NSN cross-reference

Reference document — Secondary reference

LO4307Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3480DB220M035PMBSReference 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 KTK311B?

KTK311B is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).

What parts can replace KTK311B?

There are 3 known substitutes for KTK311B: 511D226M035AA3D, LO4307, 3480DB220M035PMBS. Substitute compatibility should be verified for your specific system.

What is the NSN for KTK311B?

KTK311B is cataloged in the U.S. Government catalog under NSN 5910-01-322-6982. This indicates validated use in U.S. government and defense supply chains.

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KTK311B — CAPACITOR,FIXED,ELECTROLYTIC

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