# BESDU0603-14

**BORN** · ESD And Surge Protection (TVS/ESD) · 0603

BESDU0603-14 from BORN, in a 0603. 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 end terminal of the bi-directional polymer ESD suppressor, connected to the signal line being protected (working voltage 14 V dc for -14, 0.15 pF typ capacitance). |
| 2 | 2 | passive | Other end terminal of the bi-directional polymer ESD suppressor, connected to ground or the return path, interchangeable with the other terminal because the part is bi-directional. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BORN |
| Package | 0603 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `BESDU0603-14`
- Footprint: `Diode_SMD:D_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `besdu0603-14-etched.step` / `besdu0603-14-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `besdu0603-14.step` / `besdu0603-14.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BORN datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883985430138881) (3 pp, sha256 `44f159b87700c217`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+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/besdu0603-14-datasheet.pdf)