# WST2088

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

WST2088 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; controls the channel, with absolute maximum VGS of ±12 V and threshold VGS(th) of 0.5 to 1.3 V at ID=250uA. |
| 2 | S | passive | Source; connected to the body diode anode, continuous drain current up to 8.8 A at Tc=25℃. |
| 3 | D | passive | Drain; maximum drain-source voltage 20 V, continuous current 8.8 A and pulsed current 40 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 |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID |  |  | 8.8 | A | Tc=25℃, VGS @ 4.5V | 1 |
| Continuous Drain Current | ID |  |  | 6.2 | A | Tc=70℃, VGS @ 4.5V | 1 |
| Pulsed Drain Current | IDP |  |  | 40 | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1.5 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Maximum Thermal Resistance, Junction-ambient | Rthj-a |  |  | 25 | ℃/W |  | 1 |
| Maximum Thermal Resistance, Junction-case | Rthj-c |  |  | 8 | ℃/W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V, ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 8 | 13 | mΩ | VGS=4.5V, ID=6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 10 | 19 | mΩ | VGS=2.5V, ID=5A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.5 |  | 1.3 | V | VGS=VDS, ID=250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 10 | uA | VDS=16V, VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±12V, VDS=0V | 2 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | VGS=0V, IS=1A | 2 |

## CAD (KiCad official)

- Symbol: `WST2088`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `wst2088-etched.step` / `wst2088-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wst2088.step` / `wst2088.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/8588945205592797184) (6 pp, sha256 `14a99ffd00ecf0a0`, retrieved 2026-10-18, 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/wst2088-datasheet.pdf)