# WSF70N10G

**Winsok Semicon** · MOSFETs · TO-252-2L

WSF70N10G from Winsok Semicon, in a TO-252-2L. 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 terminal, with gate-source voltage rated at ±20V maximum and a threshold of 1.2V min to 2.5V max at 250µA. |
| 2 | D | passive | Drain terminal, with drain-source voltage rated at 100V and continuous drain current of 65A at TC=25°C. |
| 3 | S | passive | Source terminal, with diode continuous current rated at 63A at TC=25°C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | TO-252-2L |
| 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 |  |  | 100 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current, VGS @ 10V | ID@TC=25°C |  |  | 65 | A |  | 1 |
| Continuous Drain Current, VGS @ 10V | ID@TC=100°C |  |  | 40 | A |  | 1 |
| Pulsed Drain Current | IDM |  |  | 252 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 286 | mJ |  | 1 |
| Avalanche Current | IAS |  |  | 24 | A |  | 1 |
| Total Power Dissipation | PD@TC=25°C |  |  | 83 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance, Junction-to-Ambient | RθJA |  |  | 1.5 | °C/W |  | 1 |
| Thermal Resistance, Junction-to-Case | RθJC |  |  | 62.5 | °C/W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 100 |  |  | V | VGS=0V , ID=250μA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 9 | 12 | mΩ | VGS=10V , ID=10A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 11 | 15 | mΩ | VGS=4.5V , ID=6A | 2 |
| Gate Threshold Voltage | VGS(th) | 1.2 | 1.6 | 2.5 | V | VGS=VDS , ID=250μA | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | μA | VDS=100V , VGS=0V | 2 |
| Gate-Body Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V , VDS=0V | 2 |
| Diode Continuous Current | IS |  |  | 63 | A | TC = 25°C | 2 |
| Pulsed Source Current | ISM |  |  | 38 | A |  | 2 |
| Diode Forward Voltage | VSD |  | 0.7 | 1 | V | VGS=0V , IS=1A | 2 |

## CAD (KiCad official)

- Symbol: `WSF70N10G`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252-2L (KiCad packages3D, STEP)
- 3D model files: `wsf70n10g-etched.step` / `wsf70n10g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsf70n10g.step` / `wsf70n10g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Winsok Semicon datasheet](docs/wsf70n10g-datasheet.pdf) (6 pp, sha256 `244d5d72d067a6af`, retrieved 2026-11-05, 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/wsf70n10g-datasheet.pdf)