# TPESD5431N

**TECH PUBLIC** · ESD Protection Devices · DFN1006-2

TPESD5431N from TECH PUBLIC, in a DFN1006-2. 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 | One terminal of the bidirectional TVS diode, which has a reverse working voltage (VRWM) of 3.3 V max and a clamping voltage of 11.5 V max at Ipp = 9 A (8/20 µs). |
| 2 | 2 | passive | The other terminal of the bidirectional TVS diode, with the same 3.3 V max reverse working voltage and 11.5 V max clamping voltage at Ipp = 9 A (8/20 µs) as pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | DFN1006-2 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `TPESD5431N`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `tpesd5431n-etched.step` / `tpesd5431n-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpesd5431n.step` / `tpesd5431n.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/tpesd5431n-datasheet.pdf) (4 pp, sha256 `1352be984052a6f3`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (vision), consensus `claude-opus-5-5` (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/tpesd5431n-datasheet.pdf)