# TPGC03C-1

**TECH PUBLIC** · Electrostatic And Surge Protection (TVS/ESD) · SOD-323

TPGC03C-1 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 | Terminal 1 | passive | One terminal of the bi-directional TVS diode for protecting one power line or data line, rated for a 3.3 V reverse working voltage and 350 W peak pulse power (8/20 µs). |
| 2 | Terminal 2 | passive | The other terminal of the bi-directional TVS diode for protecting one power line or data line, rated for a 3.3 V reverse working voltage and 350 W peak pulse power (8/20 µs). |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `TPGC03C-1`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `tpgc03c-1-etched.step` / `tpgc03c-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpgc03c-1.step` / `tpgc03c-1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/tpgc03c-1-datasheet.pdf) (4 pp, sha256 `63b9a560c2fb0cdb`, retrieved 2026-10-27, 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/tpgc03c-1-datasheet.pdf)