# NCE55P05S

**Wuxi NCE Power Semiconductor** · MOSFETs · SOP-8

NCE55P05S from Wuxi NCE Power Semiconductor, in a SOP-8. 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 of the P-channel MOSFET, tied to pins 2 and 3; drain-source voltage rated -55V. |
| 2 | S | passive | Source of the P-channel MOSFET, tied to pins 1 and 3; continuous drain current rated -5A. |
| 3 | S | passive | Source of the P-channel MOSFET, tied to pins 1 and 2; pulsed drain current up to -25A. |
| 4 | G | input | Gate of the P-channel MOSFET with gate-source voltage limit of ±20V and threshold of -1.5V to -3.5V. |
| 5 | D | passive | Drain of the P-channel MOSFET, tied to pins 6, 7 and 8; RDS(ON) below 80mΩ at VGS=-10V. |
| 6 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 7 and 8; drain-source voltage rated -55V. |
| 7 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 6 and 8; continuous drain current rated -5A. |
| 8 | D | passive | Drain of the P-channel MOSFET, tied to pins 5, 6 and 7; pulsed drain current up to -25A. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `NCE55P05S`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `nce55p05s-etched.step` / `nce55p05s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `nce55p05s.step` / `nce55p05s.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/8588884390957502464) (7 pp, sha256 `76d0f0544a7fc57f`, 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/nce55p05s-datasheet.pdf)