component

T491D107K010AT

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KEMET Tantalum Capacitors, CASE-D-7343-31(mm). Polarised capacitor: pin 1 is + by the KiCad polarised-footprint convention, KiCad symbol/footprint/3D.

componentcapacitorst491d107k010atfactory-2.0.0extractor-text

Verified T491D107K010AT

by Ray · last 12 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

12 Nov 2026RaySupersedes the earlier record: that check missed polarity (the pins said "unpolarised"; this capacitor is polarised): component-page-verify now PASSESfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: T491D107K010AT · CASE-D-7343-31(mm) · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: two-terminal part whose datasheet prints no pin numbers: pins 1 and 2 by library convention, no names to check
  • ✓distributor: lcsc C110549, digikey 399-3769-2-ND, mouser 80-T491D107K010
  • ✓family: CP_EIA-7343-31_Kemet-D
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-bvl6qvor/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓viewers: viewers/footprint.html 22 kB, viewers/symbol.html 6 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ t491d107k010at.kicad_sym✓ t491d107k010at.kicad_mod✓ t491d107k010at.step
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3D Model

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

markdown

T491D107K010AT

KEMET · Tantalum Capacitors · CASE-D-7343-31(mm)

T491D107K010AT from KEMET, in a CASE-D-7343-31(mm). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 + passive Positive terminal (pad 1 of the CP_ footprint; symbol and 3D mark the + end).
2 - passive Negative terminal.

Key specifications

Parameter Value
Manufacturer KEMET
Package CASE-D-7343-31(mm)
Category Capacitors
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating temperature range T -55 125 °C Operating temperature 2
Capacitance tolerance (K) -10 10 % K tolerance (±10%) per part number decode 2
Rated voltage VR 10 V VDC at 85°C, rated voltage 10 V 8
Recommended maximum application voltage 50 % of VR −55°C to 85°C 14
Recommended maximum application voltage 33 % of VR 85°C to 125°C 14
Maximum power dissipation (Pmax) Pmax 150 mWatts Case D (7343-31), at 25°C w/ +20°C rise 14
DC leakage current DCL 10 µA At +20°C, maximum/5 minutes 8
Dissipation factor (DF) DF 8 % At +20°C, 120 Hz maximum 8
Equivalent series resistance (ESR) ESR 0.7 Ω At +20°C, 100 kHz maximum 8
Maximum allowable ripple current at +25°C 463 mA 100 kHz, +25°C 8
Maximum allowable ripple current at +85°C 417 mA 100 kHz, +85°C 8
Maximum allowable ripple current at +125°C 185 mA 100 kHz, +125°C 8
Capacitance change ΔC/C at −55°C ΔC/C -10 10 % Temperature stability, −55°C; IL = initial limit 3
Capacitance change ΔC/C at +85°C ΔC/C -10 10 % Temperature stability, +85°C; IL = initial limit 3
Capacitance change ΔC/C at +125°C ΔC/C -20 20 % Temperature stability, +125°C; IL = initial limit 3
Rated capacitance C 100 µF Rated capacitance at 120 Hz/25°C 8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts gold solder systems. Tin/lead (Sn/Pb) terminations are available upon request for any part number. Gold-plated terminations 1

CAD (KiCad official)

  • Symbol: T491D107K010AT
  • Footprint: Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D
  • 3D model: CASE-D-7343-31(mm) (KiCad packages3D, STEP)
  • 3D model files: t491d107k010at-etched.step / t491d107k010at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t491d107k010at.step / t491d107k010at.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: KEMET datasheet (23 pp, sha256 47bd290c07415015, retrieved 2026-10-15, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF