component

T491D686K016AT

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by adom

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

componentcapacitorst491d686k016atfactory-2.0.0extractor-text

Verified T491D686K016AT

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: T491D686K016AT · 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 C212671, digikey 399-8397-2-ND, mouser 80-T491D686K016
  • ✓family: CP_EIA-7343-31_Kemet-D
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-hlhuwtp5/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✓ t491d686k016at.kicad_sym✓ t491d686k016at.kicad_mod✓ t491d686k016at.step
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers t491d686k016at: viewers · Ray
package.json Polarity: pin 1 = +, 2 = - (symbol, footprint and 3D agree); brief and README corrected · Ray
page.json brief: polarity sentence corrected · Ray
README.md Polarity: pin 1 = +, 2 = - (symbol, footprint and 3D agree); brief and README corrected · Ray
t491d686k016at-etched.glb Publish 0.1.0 · Ray
t491d686k016at-etched.step t491d686k016at: factory component page (tier=lcsc) · Ray
t491d686k016at-hero.glb t491d686k016at: hero GLB from the etched model (keeps the MPN mark) · Ray
t491d686k016at-hero.overlay.json Publish 0.1.0 · Ray
t491d686k016at.glb Publish 0.1.0 · Ray
t491d686k016at.kicad_mod Publish 0.1.0 · Ray
t491d686k016at.kicad_sym t491d686k016at: KiCad Device:C_Polarized symbol instead of a box (two-terminal passive) · Ray
t491d686k016at.lbr t491d686k016at: KiCad Device:C_Polarized symbol instead of a box (two-terminal passive) · Ray
t491d686k016at.step Publish 0.1.0 · Ray
verification.json Verified: Supersedes the earlier record: that check missed polarity (the pins said "unpolarised"; this capacitor is pol… · Ray

T491D686K016AT

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

T491D686K016AT 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 from the LCSC catalog entry for this part (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Capacitance 68 µF nominal, catalog attribute (LCSC C212671) catalog
Tolerance -10 10 % catalog attribute (LCSC C212671) catalog
Operating temperature -55 125 °C catalog description (LCSC C212671) catalog

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: T491D686K016AT
  • Footprint: Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D
  • 3D model: CASE-D-7343-31(mm) (KiCad packages3D, STEP)
  • 3D model files: t491d686k016at-etched.step / t491d686k016at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t491d686k016at.step / t491d686k016at.glb are the bare package body.

Provenance

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

  • Datasheet: KEMET datasheet (23 pp, sha256 44e86b63cc6c10a9, 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