# STWA20N95K5

**STMicroelectronics** · MOSFETs · TO-247

STWA20N95K5 from STMicroelectronics, in a TO-247. 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-source voltage is rated ±30 V (VGS absolute maximum) and the gate-body leakage is ±10 μA at VGS = ±25 V. |
| 2 | D | passive | Drain-source breakdown voltage V(BR)DSS is 950 V minimum at ID = 1 mA, and continuous drain current is 17.5 A at TC = 25 °C. |
| 3 | S | passive | Source-drain continuous current ISD is 17.5 A, with pulsed source-drain current of 70 A, and forward on voltage VSD is 1.5 V at ISD = 17.5 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TO-247 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `STWA20N95K5`
- Footprint: `Package_TO_SOT_THT:TO-247-3_Vertical`
- 3D model: TO-247 (KiCad packages3D, STEP)
- 3D model files: `stwa20n95k5-etched.step` / `stwa20n95k5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stwa20n95k5.step` / `stwa20n95k5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/stwa20n95k5.pdf) (13 pp, sha256 `a94ed9cc27a0971e`, retrieved 2026-10-26, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/stwa20n95k5-datasheet.pdf)