# ESD9X5VU-MS

**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · DFN1006-2

ESD9X5VU-MS from MSKSEMI, in a DFN1006-2. 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 | 1 | passive | One terminal of the two-terminal ESD protection diode, connected to the protected data line; device has 5V stand-off voltage (VRWM) and 0.9pF max junction capacitance. |
| 2 | 2 | passive | Second terminal of the two-terminal ESD protection diode, connected to the protected data line or ground return; device has 5V stand-off voltage (VRWM) and 0.9pF max junction capacitance. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | DFN1006-2 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ESD9X5VU-MS`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `esd9x5vu-ms-etched.step` / `esd9x5vu-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd9x5vu-ms.step` / `esd9x5vu-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/8590184439512010752) (6 pp, sha256 `ee659cb3493f0cd8`, retrieved 2026-10-13, 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/esd9x5vu-ms-datasheet.pdf)