# T491A106M016AT7280

**KEMET** · Tantalum Capacitors · 1206

T491A106M016AT7280 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 |  |  |  | 1.6 | µA | at +25°C, maximum/5 minutes | 9 |
| Dissipation factor | DF |  |  | 6 | % | at +25°C, 120 Hz | 9 |
| Equivalent series resistance (ESR) | ESR |  |  | 3 | Ω | at +25°C, 100 kHz | 9 |
| Maximum allowable ripple current (rms) |  |  |  | 158 | mA | at +25°C, 100 kHz | 9 |
| Maximum allowable ripple current (rms) |  |  |  | 142 | mA | at +85°C, 100 kHz | 9 |
| Maximum allowable ripple current (rms) |  |  |  | 63 | mA | at +125°C, 100 kHz | 9 |
| Capacitance tolerance |  | -20 |  | 20 | % | M suffix (±20%) decoded from MPN | 2 |
| Rated voltage |  |  |  | 16 | VDC | VDC at 85°C (rated voltage, 16 V code) | 9 |
| Maximum power dissipation (Pmax) | Pmax |  |  | 75 | mW | at 25°C w/+20°C rise, case A (3216-18) | 14 |
| Operating temperature range |  | -55 |  | 125 | °C | Operating temperature range | 2 |
| Reflow temperature |  |  |  | 260 | °C | ≤ 260 °C reflow temp | 9 |
| Change in working DC voltage with temperature |  |  |  | 67 | % of VR | 85°C to 125°C | 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 |
| Capacitance change with temperature (temperature stability) | ΔC/C | -10 |  | 10 | % | Temperature stability, −55°C (IL = initial limit) | 3 |
| Capacitance change with temperature (temperature stability) | ΔC/C | -20 |  | 20 | % | Temperature stability, +125°C (IL = initial limit) | 3 |
| Rated capacitance | C |  | 10 |  | µF | Rated capacitance at 120 Hz/25°C (10 µF code, case A) | 9 |

## 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: `T491A106M016AT7280`
- Footprint: `Capacitor_SMD:C_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `t491a106m016at7280-etched.step` / `t491a106m016at7280-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `t491a106m016at7280.step` / `t491a106m016at7280.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KEMET datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590889066340691968) (23 pp, sha256 `c90877715d84e98b`, 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](docs/t491a106m016at7280-datasheet.pdf)