# WST6045

**Winsok Semicon** · MOSFETs · SOT-23-6L

WST6045 from Winsok Semicon, in a SOT-23-6L. 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 | D | passive | Drain terminal of the N-channel MOSFET, rated for VDS 60 V with continuous drain current 5.0 A at TC=25℃. |
| 2 | D | passive | Drain terminal of the N-channel MOSFET, rated for VDS 60 V with continuous drain current 5.0 A at TC=25℃. |
| 3 | G | input | Gate terminal, rated for VGS ±20 V relative to the source. |
| 4 | S | passive | Source terminal of the N-channel MOSFET, the reference for VGS and the source of the continuous source current rating of 3.0 A. |
| 5 | D | passive | Drain terminal of the N-channel MOSFET, rated for VDS 60 V with continuous drain current 5.0 A at TC=25℃. |
| 6 | D | passive | Drain terminal of the N-channel MOSFET, rated for VDS 60 V with continuous drain current 5.0 A at TC=25℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | SOT-23-6L |
| Category | Transistors/Thyristors |
| Pins | 6 |

## 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℃ |  |  | 5 | A | VGS @ 4.5V | 1 |
| Continuous Drain Current | ID@TC=70℃ |  |  | 4 | A | VGS @ 4.5V | 1 |
| Pulsed Drain Current | IDM |  |  | 20 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 1.6 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 110 | ℃/W | Footnote 1: surface mounted on 1 inch² FR-4 board, 2OZ copper | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 80 | ℃/W | Footnote 1: surface mounted on 1 inch² FR-4 board, 2OZ copper | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 60 |  |  | V | VGS=0V , ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 40 | 50 | mΩ | VGS=10V , ID=4.0A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 45 | 65 | mΩ | VGS=4.5V , ID=3.0A | 2 |
| Gate Threshold Voltage | VGS(th) | 1 | 2 | 3 | V | VGS=VDS , ID=250uA | 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 | A | VG=VD=0V , Force Current | 2 |
| Pulsed Source Current | ISM |  |  | 15 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1.3 | V | VGS=0V , ISD=3.5A , TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WST6045`
- Footprint: `Package_TO_SOT_SMD:SOT-23-6`
- 3D model: SOT-23-6L (KiCad packages3D, STEP)
- 3D model files: `wst6045-etched.step` / `wst6045-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wst6045.step` / `wst6045.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/8588916459245985793) (7 pp, sha256 `23be0cb558a67e07`, retrieved 2026-10-18, tier: lcsc)
- **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/wst6045-datasheet.pdf)