# BSC093N04LSG-MS

**MSKSEMI** · MOSFETs · DFN5x6-8L

BSC093N04LSG-MS from MSKSEMI, in a DFN5x6-8L. 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 terminal of the N-channel MOSFET, pin 1 at the PIN1 marker; the device is rated VDS = 40V and ID = 50A. |
| 2 | S | passive | Source terminal of the N-channel MOSFET, shared with pins 1 and 3 for ID = 50A at TC=25℃. |
| 3 | S | passive | Source terminal of the N-channel MOSFET, shared with pins 1 and 2 for ID = 50A at TC=25℃. |
| 4 | G | input | Gate terminal, with an absolute maximum VGS of ±20V and a threshold VGS(th) of 1.0V min to 2.5V max at ID=250μA. |
| 5 | D | passive | Drain terminal, with an absolute maximum VDS of 40V and RDS(on) below 14mΩ at VGS=10V. |
| 6 | D | passive | Drain terminal, shared with pins 5, 7 and 8, with VDS rated at 40V. |
| 7 | D | passive | Drain terminal, shared with pins 5, 6 and 8, with VDS rated at 40V. |
| 8 | D | passive | Drain terminal, shared with pins 5 to 7, with a pulsed drain current IDM of 160A. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | DFN5x6-8L |
| Category | Transistors/Thyristors |
| Pins | 9 |

## CAD (KiCad official)

- Symbol: `BSC093N04LSG-MS`
- Footprint: `Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm`
- 3D model: DFN5x6-8L (KiCad packages3D, STEP)
- 3D model files: `bsc093n04lsg-ms-etched.step` / `bsc093n04lsg-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bsc093n04lsg-ms.step` / `bsc093n04lsg-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/8602905509007802368) (8 pp, sha256 `001c34c9488de23a`, 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/bsc093n04lsg-ms-datasheet.pdf)