# BSS138NH6327-MS

**MSKSEMI** · MOSFETs · SOT-23

BSS138NH6327-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 | G | input | Gate terminal with an embedded gate-source ESD protection diode (ESD protected up to 2KV), with a maximum gate-source voltage of ±20 V. |
| 2 | S | passive | Source terminal, with a continuous source current of up to 0.3 A and a pulsed source current of up to 0.6 A. |
| 3 | D | passive | Drain terminal, rated for a drain-source voltage of 55 V and a continuous drain current of 0.3 A at TA=25℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | Transistors/Thyristors |
| Pins | 3 |

## CAD (KiCad official)

- Symbol: `BSS138NH6327-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `bss138nh6327-ms-etched.step` / `bss138nh6327-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bss138nh6327-ms.step` / `bss138nh6327-ms.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MSKSEMI datasheet](docs/bss138nh6327-ms-datasheet.pdf) (7 pp, sha256 `29af4497c59a926b`, retrieved 2026-10-28, 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/bss138nh6327-ms-datasheet.pdf)