# WSK30N20G

**Winsok Semicon** · MOSFETs · TO-263-2L

WSK30N20G from Winsok Semicon, in a TO-263-2L. 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 an absolute maximum gate-source voltage of ±20 V. |
| 2 | D | passive | Drain, connected to the exposed tab (the center lead position is cut off in this 2-lead package); rated 200 V drain-source and 40 A continuous at TC=25℃. |
| 3 | S | passive | Source; the body diode carries up to 36 A continuous source current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | TO-263-2L |
| 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 |  |  | 200 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID@TC=25℃ |  |  | 40 | A | VGS @ 10V | 1 |
| Continuous Drain Current | ID@TC=100℃ |  |  | 28 | A | VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 150 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 273 | mJ |  | 1 |
| Total Power Dissipation | PD |  |  | 90 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 175 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 175 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 62 | ℃/W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 0.83 | ℃/W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 200 |  |  | V | VGS=0V , ID=250uA | 2 |
| BVDSS Temperature Coefficient | △BVDSS/△TJ |  | 0.098 |  | V/℃ | Reference to 25℃ , ID=1mA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 57 | 68 | mΩ | VGS=10V , ID=15A | 2 |
| Gate Threshold Voltage | VGS(th) | 3 | 3.8 | 5 | V | VGS=VDS , ID =250uA | 2 |
| VGS(th) Temperature Coefficient | △VGS(th) |  | -4.57 |  | mV/℃ |  | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=160V , VGS=0V , TJ=25℃ | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 5 | uA | VDS=160V , VGS=0V , TJ=55℃ | 2 |
| Gate-Source Leakage Current | IGSS | -1 |  | 1 | nA | VGS=±25V , VDS=0V | 2 |
| Forward Transconductance | gfs |  | 32 |  | S | VDS=5V , ID=15A | 2 |
| Total Gate Charge (10V) | Qg |  | 53 |  | nC | VDS=100V , VGS=10V , ID=15A | 2 |
| Gate-Source Charge | Qgs |  | 11 |  | nC | VDS=100V , VGS=10V , ID=15A | 2 |
| Gate-Drain Charge | Qgd |  | 15 |  | nC | VDS=100V , VGS=10V , ID=15A | 2 |
| Turn-On Delay Time | Td(on) |  | 30 |  | ns | VDD=30V , VGS=10V , RG=6Ω, ID=15A, RL=30Ω | 2 |
| Rise Time | Tr |  | 20 |  | ns | VDD=30V , VGS=10V , RG=6Ω, ID=15A, RL=30Ω | 2 |
| Turn-Off Delay Time | Td(off) |  | 21 |  | ns | VDD=30V , VGS=10V , RG=6Ω, ID=15A, RL=30Ω | 2 |
| Fall Time | Tf |  | 31 |  | ns | VDD=30V , VGS=10V , RG=6Ω, ID=15A, RL=30Ω | 2 |
| Input Capacitance | Ciss |  | 2445 |  | pF | VDS=30V , VGS=0V , f=1MHz | 2 |
| Output Capacitance | Coss |  | 129 |  | pF | VDS=30V , VGS=0V , f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 24 |  | pF | VDS=30V , VGS=0V , f=1MHz | 2 |
| Continuous Source Current | IS |  |  | 36 | A | VG=VD=0V , Force Current | 2 |
| Pulsed Source Current | ISM |  |  | 150 | A | VG=VD=0V , Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | 1.3 | V | VGS=0V , IS=12A , TJ=25℃ | 2 |
| Reverse Recovery Time | trr |  | 48 |  | nS | IF=12A , dI/dt=100A/µs , TJ=25℃ | 2 |
| Reverse Recovery Charge | Qrr |  | 78 |  | nC | IF=12A , dI/dt=100A/µs , TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WSK30N20G`
- Footprint: `Package_TO_SOT_SMD:TO-263-2`
- 3D model: TO-263-2L (KiCad packages3D, STEP)
- 3D model files: `wsk30n20g-etched.step` / `wsk30n20g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsk30n20g.step` / `wsk30n20g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Winsok Semicon datasheet](docs/wsk30n20g-datasheet.pdf) (6 pp, sha256 `bc292198385fcb8d`, retrieved 2026-10-27, 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/wsk30n20g-datasheet.pdf)