# WSB5539N-2

**TECH PUBLIC** · Schottky Diodes · DFN1006-2

WSB5539N-2 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 | Cathode | passive | Cathode of the Schottky barrier diode, rated for a reverse voltage (DC) of 40 V and an average rectified forward current of 1 A. |
| 2 | Anode | passive | Anode of the Schottky barrier diode, with a maximum forward voltage of 0.4 V at 100 mA and 0.6 V at 1 A, and a maximum reverse current of 30 µA at 40 V. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `WSB5539N-2`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `wsb5539n-2-etched.step` / `wsb5539n-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsb5539n-2.step` / `wsb5539n-2.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/wsb5539n-2-datasheet.pdf) (2 pp, sha256 `e449ab3a45364a59`, 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/wsb5539n-2-datasheet.pdf)