# WSP6055

**Winsok Semicon** · MOSFETs · SOP-8

WSP6055 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 | S | passive | Source of the P-channel MOSFET (VDS rating -55 V, continuous drain current -6.8 A at TC=25℃). |
| 2 | S | passive | Source of the P-channel MOSFET, tied to the same source node as the other S pins. |
| 3 | S | passive | Source of the P-channel MOSFET, tied to the same source node as the other S pins. |
| 4 | G | input | Gate of the P-channel MOSFET (VGS rating ±20 V, threshold -1.0 V min to -2.5 V max at ID=-250uA). |
| 5 | D | passive | Drain of the P-channel MOSFET (pulsed drain current -16 A), tied to the same drain node as the other D pins. |
| 6 | D | passive | Drain of the P-channel MOSFET, tied to the same drain node as the other D pins. |
| 7 | D | passive | Drain of the P-channel MOSFET, tied to the same drain node as the other D pins. |
| 8 | D | passive | Drain of the P-channel MOSFET, tied to the same drain node as the other D pins. |

## 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 | -55 |  |  | V |  | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current | ID | -6.8 |  |  | A | TC=25℃ | 1 |
| Continuous Drain Current | ID | -4.4 |  |  | A | TC=70℃ | 1 |
| Pulsed Drain Current | IDM | -16 |  |  | A |  | 1 |
| Total Power Dissipation | PD |  |  | 1.25 | W | TC=25℃ | 1 |
| Operating/Storage Temperature Range | TJ/TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal Resistance Junction-Ambient | RθJA |  |  | 125 | ℃/W |  | 1 |
| Thermal Resistance Junction-Case | RθJC |  |  | 80 | ℃/W |  | 1 |
| Drain-Source Breakdown Voltage | BVDSS | -60 |  |  | V | VGS=0V, ID=-250uA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  |  | 108 | mΩ | VGS=-10V, ID=-3.5A | 2 |
| Static Drain-Source On-Resistance | RDS(ON) |  | 125 | 155 | mΩ | VGS=-4.5V, ID=-1A | 2 |
| Gate Threshold Voltage | VGS(th) | -1 | -1.6 | -2.5 | V | VGS=VDS, ID=-250uA | 2 |
| Drain-Source Leakage Current | IDSS |  |  | -1 | uA | VDS=-48V, VGS=0V | 2 |
| Gate-Source Leakage Current | IGSS | -100 |  | 100 | nA | VGS=±20V, VDS=0V | 2 |
| Total Gate Charge | Qg |  | 4.6 |  | nC | VGS=-4.5V | 2 |
| Gate-Source Charge | Qgs |  | 1.4 |  | nC | VDS = -15V, ID = -1.5A, VGS = -10V | 2 |
| Gate-Drain Charge | Qgd |  | 1.6 |  | nC | VDS = -15V, ID = -1.5A, VGS = -10V | 2 |
| Turn-On Delay Time | Td(on) |  | 17 |  | ns | VDD = -15V, ID = -1A, VGS = -10V, RGEN = 3.3 | 2 |
| Rise Time | Tr |  | 5.5 |  | ns | VDD = -15V, ID = -1A, VGS = -10V, RGEN = 3.3 | 2 |
| Turn-Off Delay Time | Td(off) |  | 37 |  | ns | VDD = -15V, ID = -1A, VGS = -10V, RGEN = 3.3 | 2 |
| Fall Time | Tf |  | 2.5 |  | ns | VDD = -15V, ID = -1A, VGS = -10V, RGEN = 3.3 | 2 |
| Input Capacitance | Ciss |  | 531 |  | pF | VGS=0V, VDS= -15V, f=1MHz | 2 |
| Output Capacitance | Coss |  | 59 |  | pF | VGS=0V, VDS= -15V, f=1MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 38 |  | pF | VGS=0V, VDS= -15V, f=1MHz | 2 |
| Continuous Source Current | IS |  |  | -1.7 | A | VG=VD=0V, Force Current | 2 |
| Diode Forward Voltage | VSD |  |  | -1.2 | V | VGS=0V, IS=-1A, TJ=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `WSP6055`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `wsp6055-etched.step` / `wsp6055-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wsp6055.step` / `wsp6055.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/8603161500521947136) (5 pp, sha256 `1f206effddcdfdcc`, retrieved 2026-10-18, 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/wsp6055-datasheet.pdf)