# BCD90N03

**baocheng Shandong Baocheng Elec** · MOSFETs · TO-252

BCD90N03 from baocheng Shandong Baocheng Elec, in a TO-252. 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 | G | input | Gate; the top-view pin assignment shows G on the left lead, with VGSS rated ±20 V and VGS(th) 1.0 to 2.5 V. |
| 2 | D | passive | Drain; the center lead, connected to the tab, rated VDSS 30 V and 90 A continuous at TC=25℃. |
| 3 | S | passive | Source; the right lead in the top-view pin assignment, carrying up to 90 A continuous at TC=25℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | baocheng Shandong Baocheng Elec |
| Package | TO-252 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BCD90N03`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `bcd90n03-etched.step` / `bcd90n03-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bcd90n03.step` / `bcd90n03.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [baocheng Shandong Baocheng Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590238337002082304) (6 pp, sha256 `3d3a90323a37f003`, 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/bcd90n03-datasheet.pdf)