# NCE3400AY

**Wuxi NCE Power Semiconductor** · MOSFETs · SOT-23-3L

NCE3400AY from Wuxi NCE Power Semiconductor, in a SOT-23-3L. 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; gate-source voltage limited to ±12V absolute maximum, with RDS(ON) specified down to VGS=2.5V. |
| 2 | S | passive | Source; continuous drain current is rated 5.8A and diode forward current IS is 5.8A max. |
| 3 | D | passive | Drain; drain-source voltage is rated 30V maximum with 5.8A continuous and 30A pulsed drain current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Wuxi NCE Power Semiconductor |
| Package | SOT-23-3L |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `NCE3400AY`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `nce3400ay-etched.step` / `nce3400ay-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `nce3400ay.step` / `nce3400ay.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/8588893030665764864) (7 pp, sha256 `8c262180b0e46e46`, 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/nce3400ay-datasheet.pdf)