# WST03P06

**Winsok Semicon** · MOSFETs · SOT-23-3L

WST03P06 from Winsok Semicon, 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 rated ±20 V, with threshold VGS(th) of -1.0 V min to -3.0 V max at ID=-250uA. |
| 2 | S | passive | Source; continuous source current is -3.5 A max and body-diode forward voltage is -1.2 V max at IS=-1A. |
| 3 | D | passive | Drain; drain-source voltage rated -60 V, continuous drain current -3.5 A at TC=25℃ and pulsed -20 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | SOT-23-3L |
| Category | Transistors/Thyristors |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage | VDS |  |  | -60 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID@TC=25℃ |  |  | -3.5 | A | -VGS @ -10V, TC=25℃ | 1 |
| Continuous Drain Current | ID@TC=100℃ |  |  | -2.8 | A | -VGS @ -10V, TC=100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | -20 | A |  | 1 |
| Total Power Dissipation | PD@TC=25℃ |  |  | 1 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RθJA |  |  | 125 | ℃/W | Junction-Ambient, surface mounted on 1 inch2 FR-4 board, 2OZ copper, t<10sec | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 80 | ℃/W | Junction-Case | 1 |
| Drain-Source Breakdown Voltage | BVDSS | -60 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 88 | 110 | mΩ | VGS=-10V, ID=-2A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 110 | 150 | mΩ | VGS=-4.5V, ID=-1A | 2 |
| Gate Threshold Voltage | VGS(th) | -1 | -1.5 | -3 | V |  | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=-48V, VGS=0V, TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 5 | uA | VDS=-48V, VGS=0V, TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Continuous Source Current | IS |  |  | -3.5 | A |  | 2 |
| Pulsed Source Current | ISM |  |  | -18 | A | VG=VD=0V, Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V, IS=-1A, TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WST03P06`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `wst03p06-etched.step` / `wst03p06-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wst03p06.step` / `wst03p06.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Winsok Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199212451377152) (5 pp, sha256 `25aaf94a607ad66b`, 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/wst03p06-datasheet.pdf)