# WSD6056DN56

**Winsok Semicon** · MOSFETs · DFN5x6-8

WSD6056DN56 from Winsok Semicon, in a DFN5x6-8. 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, VDSS 60V). |
| 2 | G1 | input | Gate of MOSFET 1 (VGS max ±20V, threshold 1.2V to 2.5V). |
| 3 | S2 | passive | Source of MOSFET 2 (N-channel, VDSS 60V). |
| 4 | G2 | input | Gate of MOSFET 2 (VGS max ±20V, threshold 1.2V to 2.5V). |
| 5 | D2 | passive | Drain of MOSFET 2 (60V, 45A continuous at Tc=25°C). |
| 6 | D2 | passive | Drain of MOSFET 2 (60V, 45A continuous at Tc=25°C), tied to pin 5. |
| 7 | D1 | passive | Drain of MOSFET 1 (60V, 45A continuous at Tc=25°C). |
| 8 | D1 | passive | Drain of MOSFET 1 (60V, 45A continuous at Tc=25°C), tied to pin 7. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Winsok Semicon |
| Package | DFN5x6-8 |
| 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 Voltage | VDSS |  |  | 60 | V |  | 1 |
| Gate-Source Voltage | VGSS | -20 |  | 20 | V |  | 1 |
| Maximum Junction Temperature | TJ |  |  | 150 | °C |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | °C |  | 1 |
| Diode Continuous Forward Current | IS |  |  | 45 | A | Tc=25°C | 1 |
| Continuous Drain Current | ID |  |  | 45 | A | Tc=25°C | 1 |
| Continuous Drain Current | ID |  |  | 28.5 | A | Tc=70°C | 1 |
| Pulse Drain Current Tested | IDM |  |  | 180 | A | Tc=25°C | 1 |
| Maximum Power Dissipation | PD |  |  | 67 | W | Tc=25°C | 1 |
| Maximum Power Dissipation | PD |  |  | 45 | W | TC=70°C | 1 |
| Thermal Resistance-Junction to Lead, Steady State | RθJL |  |  | 5 | °C/W | Steady State | 1 |
| Thermal Resistance-Junction to Ambient | RθJA |  |  | 45 | °C/W | t 10s | 1 |
| Thermal Resistance-Junction to Ambient | RθJA |  |  | 90 | °C/W | Steady State | 1 |
| Avalanche Current, Single pulse | IAS |  |  | 20 | A | L=0.5mH | 1 |
| Avalanche Energy, Single pulse | EAS |  |  | 20 | mJ | L=0.5mH | 1 |
| Drain-Source Breakdown Voltage | BVDSS | 60 |  |  | V | VGS=0V, IDS=250A | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS=60V, VGS=0V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 30 | µA | VDS=60V, VGS=0V, TJ=85°C | 2 |
| Gate Threshold Voltage | VGS(th) | 1.2 | 1.5 | 2.5 | V | VDS=VGS, IDS=250A | 2 |
| Gate Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Drain-Source On-state Resistance | RDS(ON) |  | 16 | 20 | mΩ | VGS=10V, IDS=20A | 2 |
| Drain-Source On-state Resistance | RDS(ON) |  | 20 | 25 | mΩ | VGS=4.5V, IDS=15A | 2 |
| Diode Forward Voltage | VSD |  | 0.75 | 1.2 | V | ISD=1A, VGS=0V | 2 |

## CAD (KiCad official)

- Symbol: `WSD6056DN56`
- Footprint: `Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm`
- 3D model: DFN5x6-8 (KiCad packages3D, STEP)
- 3D model files: `wsd6056dn56-etched.step` / `wsd6056dn56-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsd6056dn56.step` / `wsd6056dn56.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/8588904107176300544) (5 pp, sha256 `61774a4f40e87c38`, 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/wsd6056dn56-datasheet.pdf)