# WSP6946

**Winsok Semicon** · MOSFETs · SOP-8

WSP6946 from Winsok Semicon, in a SOP-8. 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 | S1 | passive | Source of MOSFET 1 (N-channel); VDS rating 60 V, ID 6.5 A. |
| 2 | G1 | input | Gate of MOSFET 1; gate-source voltage limited to ±20 V, threshold 1.0 to 3.0 V. |
| 3 | S2 | passive | Source of MOSFET 2 (N-channel); VDS rating 60 V, ID 6.5 A. |
| 4 | G2 | input | Gate of MOSFET 2; gate-source voltage limited to ±20 V, threshold 1.0 to 3.0 V. |
| 5 | D2 | passive | Drain of MOSFET 2; drain-source voltage up to 60 V, pulsed drain current 24 A. |
| 6 | D2 | passive | Drain of MOSFET 2 (tied to pin 5); drain-source voltage up to 60 V, pulsed drain current 24 A. |
| 7 | D1 | passive | Drain of MOSFET 1; drain-source voltage up to 60 V, pulsed drain current 24 A. |
| 8 | D1 | passive | Drain of MOSFET 1 (tied to pin 7); drain-source voltage up to 60 V, pulsed drain current 24 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | SOP-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## 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℃ |  |  | 6.5 | A | VGS @ 10V | 1 |
| Continuous Drain Current | ID@TC=70℃ |  |  | 4.5 | A | VGS @ 10V | 1 |
| Pulsed Drain Current | IDM |  |  | 24 | A |  | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 12 | mJ |  | 1 |
| Avalanche Current | IAS |  |  | 16 | A |  | 1 |
| Total Power Dissipation | PD@TA=25℃ |  |  | 2.5 | W |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-ambient | RθJA |  |  | 90 | ℃/W | Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 50 | ℃/W | Note 1: surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 60 |  |  | V | VGS=0V , ID=250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 33 | 45 | mΩ | VGS=10V , ID=6.3A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 37 | 50 | mΩ | VGS=4.5V , ID=4A | 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 |
| Gate Resistance | Rg |  | 2.5 | 5 | Ω | VDS=0V , VGS=0V , f=1MHz | 2 |
| Total Gate Charge (10V) | Qg |  | 14 | 20 | nC | VDS=48V , VGS=10V , ID=6.3A | 2 |
| Turn-On Delay Time | Td(on) |  | 8 | 15 | ns | VDD=30V , VGEN=10V , RG=6Ω, ID=4A ,RL=30Ω | 2 |
| Rise Time | Tr |  | 6 | 11 | ns | VDD=30V , VGEN=10V , RG=6Ω, ID=4A ,RL=30Ω | 2 |
| Turn-Off Delay Time | Td(off) |  | 23 | 42 | ns | VDD=30V , VGEN=10V , RG=6Ω, ID=4A ,RL=30Ω | 2 |
| Fall Time | Tf |  | 6 | 11 | ns | VDD=30V , VGEN=10V , RG=6Ω, ID=4A ,RL=30Ω | 2 |
| Input Capacitance | Ciss |  | 670 | 940 | pF | VDS=15V , VGS=0V , f=1MHz | 2 |
| Output Capacitance | Coss |  | 70 | 91 | pF | VDS=15V , VGS=0V , f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 35 | 64 | pF | VDS=15V , VGS=0V , f=1MHz | 2 |
| Single Pulse Avalanche Energy (guaranteed) | EAS | 10 |  |  | mJ | VDD=25V , L=0.1mH , IAS=12A | 2 |
| Continuous Source Current | IS |  |  | 2.5 | A | VG=VD=0V , Force Current | 2 |
| Pulsed Source Current | ISM |  |  | 24 | A |  | 2 |
| Diode Forward Voltage | VSD |  |  | 1.1 | V | VGS=0V , IS=1A , TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WSP6946`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `wsp6946-etched.step` / `wsp6946-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsp6946.step` / `wsp6946.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/8588881129089089536) (5 pp, sha256 `a86150036b942775`, retrieved 2026-10-09, 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/wsp6946-datasheet.pdf)