# WST2088A

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

WST2088A 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 is rated at ±12 V absolute maximum, with a threshold of 0.4 V min to 1.2 V max at 250 uA. |
| 2 | S | passive | Source; connects to the body diode anode, with continuous drain current of 7.5 A at Tc=25℃. |
| 3 | D | passive | Drain; drain-source voltage is rated at 20 V maximum, with a pulsed drain current of 24 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 Breakdown Voltage | BVDSS | 20 |  |  | V | VGS=0V , ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 10.7 | 14 | mΩ | VGS=4.5V , ID=6A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 12.8 | 17 | mΩ | VGS=2.5V , ID=5A | 2 |
| Gate Threshold Voltage | VGS(th) | 0.4 | 0.63 | 1.2 | 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 |
| Drain-Source Voltage | VDS |  |  | 20 | V |  | 1 |
| Gate-Source Voltage | VGS | -12 |  | 12 | V |  | 1 |
| Continuous Drain Current | ID@Tc=25℃ |  |  | 7.5 | A | VGS @ 4.5V | 1 |
| Continuous Drain Current | ID@Tc=70℃ |  |  | 4.5 | A | VGS @ 4.5V | 1 |
| Pulsed Drain Current | IDP |  |  | 24 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 1.25 | 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 |  |  | 100 | ℃/W |  | 1 |
| Maximum Thermal Resistance, Junction-case | Rthj-c |  |  | 8 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `WST2088A`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3L (KiCad packages3D, STEP)
- 3D model files: `wst2088a-etched.step` / `wst2088a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wst2088a.step` / `wst2088a.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/8588945431317655552) (5 pp, sha256 `5261312fd1a50568`, retrieved 2026-10-13, 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/wst2088a-datasheet.pdf)