# IPD50N04S4-08

**Infineon Technologies** · MOSFETs · TO-252

IPD50N04S4-08 from Infineon Technologies, 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 | Gate | input | Gate pin of the N-channel MOSFET; gate-source voltage is rated at ±20 V maximum. |
| 2 | Drain | passive | Drain pin, also connected to the tab; VDS is 40 V and continuous drain current is 50 A at TC=25°C. |
| 3 | Source | passive | Source pin of the N-channel MOSFET. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | TO-252 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `IPD50N04S4-08`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `ipd50n04s4-08-etched.step` / `ipd50n04s4-08-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ipd50n04s4-08.step` / `ipd50n04s4-08.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588912203701628928) (9 pp, sha256 `1ad5fe9c6a88a3f7`, 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/ipd50n04s4-08-datasheet.pdf)