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T491A105K010AT

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by adom

KEMET Tantalum Capacitors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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T491A105K010AT

KEMET · Tantalum Capacitors · 1206

T491A105K010AT from KEMET, in a 1206. 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 1 passive Terminal 1 of an unpolarised capacitor; either orientation.
2 2 passive Terminal 2 of an unpolarised capacitor; either orientation.

Key specifications

Parameter Value
Manufacturer KEMET
Package 1206
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
DC leakage current (maximum, 5 minutes) DCL 0.5 µA at +20°C, Maximum/5 Minutes 7
Dissipation factor (maximum) DF 4 % at +20°C, 120 Hz 7
Equivalent series resistance (maximum) ESR 10 Ω at +20°C, 100 kHz 7
Maximum allowable ripple current 87 mA at +25°C, 100 kHz 7
Maximum allowable ripple current 78 mA at +85°C, 100 kHz 7
Maximum allowable ripple current 35 mA at +125°C, 100 kHz 7
Capacitance tolerance (K = ±10%) -10 10 % 2
Capacitance change vs. +25°C initial limit at −55°C ΔC/C -10 10 % Temperature stability, −55°C, IL = initial limit 3
Capacitance change vs. +25°C initial limit at +85°C ΔC/C -10 10 % Temperature stability, +85°C, IL = initial limit 3
Capacitance change vs. +25°C initial limit at +125°C ΔC/C -20 20 % Temperature stability, +125°C, IL = initial limit 3
Maximum power dissipation Pmax 75 mW at 25°C w/+20°C rise, case A 3216-18 14
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
Operating temperature range -55 125 °C 2
Reflow temperature 260 °C Reflow temperature column, ≤ 260 °C 7
Rated capacitance 1 µF 7
Rated voltage 10 VDC DC, at 85°C 7

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: T491A105K010AT
  • Footprint: Capacitor_SMD:C_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: t491a105k010at-etched.step / t491a105k010at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t491a105k010at.step / t491a105k010at.glb are the bare package body.

Provenance

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

  • Datasheet: KEMET datasheet (23 pp, sha256 8f2a3f13dbaa7b4c, retrieved 2026-10-18, 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