# WSD90P06DN56

**Winsok Semicon** · MOSFETs · DFN-8(5x6)

WSD90P06DN56 from Winsok Semicon, in a DFN-8(5x6). 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 | S | passive | Source of the P-channel MOSFET, with drain-source voltage rated -60 V and continuous drain current of -90 A at TC=25℃. |
| 2 | S | passive | Source of the P-channel MOSFET, with drain-source voltage rated -60 V and continuous drain current of -90 A at TC=25℃. |
| 3 | S | passive | Source of the P-channel MOSFET, with drain-source voltage rated -60 V and continuous drain current of -90 A at TC=25℃. |
| 4 | G | input | Gate of the P-channel MOSFET, with gate-source voltage rated ±20 V and threshold voltage of -1.1 V min to -2.5 V max. |
| 5 | D | passive | Drain of the P-channel MOSFET, with drain-source voltage rated -60 V and pulsed drain current of -190 A. |
| 6 | D | passive | Drain of the P-channel MOSFET, with drain-source voltage rated -60 V and pulsed drain current of -190 A. |
| 7 | D | passive | Drain of the P-channel MOSFET, with drain-source voltage rated -60 V and pulsed drain current of -190 A. |
| 8 | D | passive | Drain of the P-channel MOSFET, with drain-source voltage rated -60 V and pulsed drain current of -190 A. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | DFN-8(5x6) |
| Category | Transistors/Thyristors |
| Pins | 9 |

## 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 | -60 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 10 | 14 | mΩ | VGS=-10V, ID=-18A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 13 | 18 | mΩ | VGS=-4.5V, ID=-12A | 2 |
| Gate Threshold Voltage | VGS(th) | -1.1 | -1.8 | -2.5 | V | VGS=VDS, ID=-250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | 1 | uA | VDS=-48V, VGS=0V, TJ=25℃ | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Continuous Source Current | IS |  |  | -40 | A | TC=25℃ | 2 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V, IS=-1A, TJ=25℃ | 2 |
| Drain-Source Voltage | VDS |  |  | -60 | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID@TC=25℃ |  |  | -90 | A | -VGS @ -10V, TC=25℃ | 1 |
| Continuous Drain Current | ID@TC=100℃ |  |  | -40 | A | -VGS @ -10V, TC=100℃ | 1 |
| Pulsed Drain Current | IDM |  |  | -190 | A |  | 1 |
| Total Power Dissipation | PD@TC=25℃ |  |  | 96 | W | TC=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RθJA |  |  | 62 | ℃/W | Device mounted on 1in2 FR-4 board, 2oz copper, still air, TA=25°C (note A) | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 1.3 | ℃/W |  | 1 |

## CAD (KiCad official)

- Symbol: `WSD90P06DN56`
- Footprint: `Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm`
- 3D model: DFN-8(5x6) (KiCad packages3D, STEP)
- 3D model files: `wsd90p06dn56-etched.step` / `wsd90p06dn56-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsd90p06dn56.step` / `wsd90p06dn56.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/8588916796015853568) (5 pp, sha256 `476f1ef9c6e28c00`, 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/wsd90p06dn56-datasheet.pdf)