# T499D476K016ATE800

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

T499D476K016ATE800 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 as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Rated capacitance | C |  | 47 |  | µF |  | 6 |
| Capacitance tolerance (K) |  | -10 |  | 10 | % | K tolerance (±10%) | 2 |
| Rated (working) voltage at 85°C | VDC |  |  | 16 | V | Working voltage at 85°C | 7 |
| Operating temperature range |  | -55 |  | 175 | °C |  | 2 |
| DC leakage current | DCL |  |  | 7.5 | µA | at +20°C, rated voltage, Max/5 min | 6 |
| Dissipation factor | DF |  |  | 6 | % | at +20°C, 120 Hz | 6 |
| ESR | ESR |  |  | 800 | mΩ | at +20°C, 100 kHz | 6 |
| Maximum allowable ripple current | I |  |  | 433 | mA | at +25°C, 100 kHz | 6 |
| Maximum allowable ripple current | I |  |  | 390 | mA | at +85°C, 100 kHz | 6 |
| Maximum allowable ripple current | I |  |  | 173 | mA | at +125°C, 100 kHz | 6 |
| Temperature stability: capacitance change | ΔC/C | -10 |  | 10 | % | Vs +25°C initial limit, at −55°C | 3 |
| Temperature stability: capacitance change | ΔC/C | -30 |  | 30 | % | Vs +25°C initial limit, at +175°C | 3 |
| Temperature stability: dissipation factor | DF |  |  | 1.5 | x initial limit | At +85°C | 3 |
| Temperature stability: DC leakage | DCL |  |  | 10 | x initial limit | At +85°C | 3 |
| Temperature stability: DC leakage | DCL |  |  | 12 | x initial limit | At +175°C | 3 |
| Recommended application voltage |  |  |  | 8 | V | At 85°C, for maximum reliability | 7 |
| Recommended application voltage |  |  |  | 4 | V | At 175°C, for maximum reliability | 7 |
| Permissible transient reverse voltage |  |  |  | 15 | % of rated voltage | At 25°C, short periods only | 8 |
| Permissible transient reverse voltage |  |  |  | 5 | % of rated voltage | At 85°C, short periods only | 8 |
| Permissible transient reverse voltage |  |  |  | 1 | % of rated voltage | At 125°C, short periods only | 8 |
| Maximum power dissipation (Pmax) | Pmax |  |  | 150 | mW | Case D at 25°C with +20°C rise | 7 |
| Reflow temperature |  |  |  | 260 | °C | Reflow temp ≤260°C (Table 1) | 6 |

## CAD (KiCad official)

- Symbol: `T499D476K016ATE800`
- Footprint: `Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D`
- 3D model: CASE-D-7343-31(mm) (KiCad packages3D, STEP)
- 3D model files: `t499d476k016ate800-etched.step` / `t499d476k016ate800-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `t499d476k016ate800.step` / `t499d476k016ate800.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/8586192298132979712) (16 pp, sha256 `c38b7e4f1ec8608a`, 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](docs/t499d476k016ate800-datasheet.pdf)