# NCEP40T11G

**Wuxi NCE Power Semiconductor** · MOSFETs · DFN5X6-8L

NCEP40T11G from Wuxi NCE Power Semiconductor, in a DFN5X6-8L. 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 | S | passive | Source terminal, tied with pins 2 and 3; continuous drain current up to 110A (silicon limited) flows through the source pins. |
| 2 | S | passive | Source terminal, tied with pins 1 and 3; continuous drain current up to 110A (silicon limited) flows through the source pins. |
| 3 | S | passive | Source terminal, tied with pins 1 and 2; continuous drain current up to 110A (silicon limited) flows through the source pins. |
| 4 | G | input | Gate terminal; maximum gate-source voltage ±20V, threshold 1.2V to 2.2V at ID=250μA. |
| 5 | D | passive | Drain terminal, tied with pins 6-8 and the exposed drain pad; VDS rated 40V. |
| 6 | D | passive | Drain terminal, tied with pins 5, 7, 8 and the exposed drain pad; VDS rated 40V. |
| 7 | D | passive | Drain terminal, tied with pins 5, 6, 8 and the exposed drain pad; VDS rated 40V. |
| 8 | D | passive | Drain terminal, tied with pins 5-7 and the exposed drain pad; VDS rated 40V. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Wuxi NCE Power Semiconductor |
| Package | DFN5X6-8L |
| Category | Transistors/Thyristors |
| Pins | 9 |

## CAD (KiCad official)

- Symbol: `NCEP40T11G`
- Footprint: `Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm`
- 3D model: DFN5X6-8L (KiCad packages3D, STEP)
- 3D model files: `ncep40t11g-etched.step` / `ncep40t11g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ncep40t11g.step` / `ncep40t11g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Wuxi NCE Power Semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883595914055680) (6 pp, sha256 `9786c805c7c267db`, 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/ncep40t11g-datasheet.pdf)