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T491A154K035AT

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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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T491A154K035AT

KEMET · Tantalum Capacitors · 1206

T491A154K035AT 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
Rated capacitance 0.15 µF at 120 Hz/25°C 12
Capacitance tolerance (K = ±10%) -10 10 % K tolerance per part number table 2
Rated voltage 35 VDC rated voltage at 85°C 12
DC leakage current 0.5 µA at +25°C, maximum/5 minutes 12
Dissipation factor DF 4 % at +25°C, 120 Hz, maximum 12
Equivalent series resistance ESR 19 Ω at +25°C, 100 kHz, maximum 12
Maximum allowable ripple current (rms) 63 mA at +25°C, 100 kHz 12
Maximum allowable ripple current (rms) 57 mA at +85°C, 100 kHz 12
Maximum allowable ripple current (rms) 25 mA at +125°C, 100 kHz 12
Maximum power dissipation (case A, 3216-18) P max 75 mW at 25°C w/+20°C rise 14
Operating temperature range -55 125 °C 2
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
Capacitance change with temperature (ΔC/C) ΔC/C -10 10 % temperature stability, −55°C vs +25°C initial limit 3
Capacitance change with temperature (ΔC/C) ΔC/C -20 20 % temperature stability, +125°C vs +25°C initial limit 3
Dissipation factor change with temperature DF 1.5 x IL temperature stability, +85°C 3
DC leakage change with temperature DCL 10 x IL temperature stability, +85°C 3
DC leakage change with temperature DCL 12 x IL temperature stability, +125°C 3
Endurance capacitance change (ΔC/C) ΔC/C -10 10 % 85°C at rated voltage, 2,000 hours 3
Endurance DC leakage DCL 1.25 x initial limit 85°C at rated voltage, 2,000 hours 3
Storage life capacitance change (ΔC/C) ΔC/C -10 10 % 125°C at 0 volts, 2,000 hours 3
Storage life DC leakage DCL 1.25 x initial limit 125°C at 0 volts, 2,000 hours 3
Thermal shock capacitance change (ΔC/C) ΔC/C -5 5 % MIL-STD-202 Method 107, −55°C to 125°C, 1,000 cycles 3
Surge voltage capacitance change (ΔC/C) ΔC/C -5 5 % 85°C, 1.32 x rated voltage, 1,000 cycles 3
Mechanical shock/vibration capacitance change (ΔC/C) ΔC/C -10 10 % MIL-STD-202 Method 213 and 204 3

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: T491A154K035AT
  • Footprint: Capacitor_SMD:C_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: t491a154k035at-etched.step / t491a154k035at-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); t491a154k035at.step / t491a154k035at.glb are the bare package body.

Provenance

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

  • Datasheet: KEMET datasheet (23 pp, sha256 3a4dcd833b469a95, retrieved 2026-10-21, 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