component

T491A335K020AT

Public Made by Adom

by adom

KEMET Tantalum Capacitors, CASE-A-3216-18(mm). Polarised capacitor: pin 1 is + by the KiCad polarised-footprint convention, KiCad symbol/footprint/3D.

componentcapacitorst491a335k020atfactory-2.0.0extractor-text

Verified T491A335K020AT

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: T491A335K020AT · CASE-A-3216-18(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 C19351, digikey 399-8283-2-ND, mouser 80-T491A335K020
  • ✓family: CP_EIA-3216-18_Kemet-A
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-ebitzprf/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 18 kB, viewers/symbol.html 6 kB
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ t491a335k020at.kicad_sym✓ t491a335k020at.kicad_mod✓ t491a335k020at.step
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t491a335k020at / README.md
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Ray Polarity: pin 1 = +, 2 = - (symbol, footprint and 3D agree); brief and README corrected 679da8a

T491A335K020AT

KEMET · Tantalum Capacitors · CASE-A-3216-18(mm)

T491A335K020AT from KEMET, in a CASE-A-3216-18(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-A-3216-18(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 3.3 µF nominal, catalog attribute (LCSC C19351) catalog
Tolerance -10 10 % catalog attribute (LCSC C19351) catalog
Operating temperature -55 125 °C catalog description (LCSC C19351) 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 systems. Tin/lead (Sn/Pb) terminations are available upon request for any part number. Gold-plated terminations are also available 1

CAD (KiCad official)

  • Symbol: T491A335K020AT
  • Footprint: Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A
  • 3D model: CASE-A-3216-18(mm) (KiCad packages3D, STEP)
  • 3D model files: t491a335k020at-etched.step / t491a335k020at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t491a335k020at.step / t491a335k020at.glb are the bare package body.

Provenance

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

  • Datasheet: KEMET datasheet (24 pp, sha256 56bef8c8b292c5c1, retrieved 2026-10-16, 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