# WPM2341-MS

**MSKSEMI** · MOSFETs · SOT-23

WPM2341-MS from MSKSEMI, in a SOT-23. 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 | GATE | input | Gate terminal of the P-channel MOSFET, with gate-source voltage rated at ±8 V. |
| 2 | SOURCE | passive | Source terminal of the P-channel MOSFET; the maximum ratings table lists a continuous source-drain diode current of -0.72 A. |
| 3 | DRAIN | passive | Drain terminal of the P-channel MOSFET, rated for -20 V drain-source voltage and -3 A continuous drain current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| 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 breakdown voltage | V(BR)DSS | -20 |  |  | V | VGS = 0V, ID =-250µA | 3 |
| Gate-source threshold voltage | VGS(th) | -0.4 |  | -1 | V | VDS =VGS, ID =-250µA | 3 |
| Gate-source leakage | IGSS | -100 |  | 100 | nA | VDS =0V, VGS =±8V | 3 |
| Zero gate voltage drain current | IDSS |  |  | -1 | µA | VDS =-20V, VGS =0V | 3 |
| Drain-source on-state resistance | RDS(on) |  | 0.08 | 0.9 | Ω | VGS =-4.5V, ID =-2.8A | 3 |
| Drain-source on-state resistance | RDS(on) |  |  | 0.11 | Ω | VGS =-2.5V, ID =-2.0A | 3 |
| Total gate charge | Qg |  | 5.5 | 10 | nC | VDS =-10V,VGS =-4.5V,ID =-3A | 3 |
| Total gate charge | Qg |  | 3.3 | 6 | nC | VDS =-10V,VGS =-2.5V,ID =-3A | 3 |
| Turn-on delay time | td(on) |  | 11 | 20 | ns | VDD=-10V, L=10Ω, ID =-1A, VGEN=-4.5V, Rg=1Ω | 3 |
| Rise time | tr |  | 35 | 60 | ns | VDD=-10V, L=10Ω, ID =-1A, VGEN=-4.5V, Rg=1Ω | 3 |
| Turn-off delay time | td(off) |  | 30 | 50 | ns | VDD=-10V, L=10Ω, ID =-1A, VGEN=-4.5V, Rg=1Ω | 3 |
| Fall time | tf |  | 10 | 20 | ns | VDD=-10V, L=10Ω, ID =-1A, VGEN=-4.5V, Rg=1Ω | 3 |
| Continuous source-drain diode current | IS |  |  | -1.3 | A | TC=25℃ | 3 |
| Pulse diode forward current | ISM |  |  | -10 | A |  | 3 |
| Body diode voltage | VSD |  | -0.8 | -1.2 | V | IS=-0.7A | 3 |
| Drain-source voltage | VDS |  |  | -20 | V |  | 2 |
| Gate-source voltage | VGS | -8 |  | 8 | V |  | 2 |
| Continuous drain current | ID |  |  | -3 | A |  | 2 |
| Pulsed drain current | IDM |  |  | -10 | A |  | 2 |
| Continuous source-drain diode current | IS |  |  | -0.72 | A |  | 2 |
| Maximum power dissipation | PD |  |  | 0.4 | W |  | 2 |
| Thermal resistance, junction to ambient | RθJA |  |  | 312.5 | ℃/W | t ≤5s | 2 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 2 |

## CAD (KiCad official)

- Symbol: `WPM2341-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `wpm2341-ms-etched.step` / `wpm2341-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wpm2341-ms.step` / `wpm2341-ms.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MSKSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904317235703808) (6 pp, sha256 `439fb227a4820ab0`, retrieved 2026-10-17, 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/wpm2341-ms-datasheet.pdf)