# ESD3Z5.0C

**TECH PUBLIC** · ESD Protection Devices · SOD-323

ESD3Z5.0C from TECH PUBLIC, in a SOD-323. 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 | Pin1 | passive | One terminal of the bidirectional TVS diode, with reverse working voltage up to 5 V and breakdown voltage 6.0 V to 8.0 V at a 1 mA test current. |
| 2 | Pin2 | passive | The other terminal of the bidirectional TVS diode, with reverse working voltage up to 5 V and breakdown voltage 6.0 V to 8.0 V at a 1 mA test current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-323 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ESD3Z5.0C`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `esd3z5-0c-etched.step` / `esd3z5-0c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd3z5-0c.step` / `esd3z5-0c.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/esd3z5-0c-datasheet.pdf) (4 pp, sha256 `f49c4f737746f218`, retrieved 2026-10-28, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/esd3z5-0c-datasheet.pdf)