# ESD5Z5.0T1G-MS

**MSKSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-523

ESD5Z5.0T1G-MS from MSKSEMI, in a SOD-523. 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 | Cathode | passive | Cathode of the unidirectional TVS diode; connect to the protected line (ESD5Z5.0: VRWM 5.0 V, VBR min 6.2 V at 1 mA, IR max 1.0 uA at VRWM). |
| 2 | Anode | passive | Anode of the unidirectional TVS diode; connect to ground reference. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-523 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ESD5Z5.0T1G-MS`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `esd5z5-0t1g-ms-etched.step` / `esd5z5-0t1g-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5z5-0t1g-ms.step` / `esd5z5-0t1g-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/8756929176421048320) (5 pp, sha256 `f099c01879ea2e40`, retrieved 2026-10-12, 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/esd5z5-0t1g-ms-datasheet.pdf)