# AZ5123-01H-P

**TECH PUBLIC** · ESD Protection Devices · SOD-523

AZ5123-01H-P from TECH PUBLIC, 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 | A1 | passive | Terminal of the 1-line bi-directional TVS diode, with 3.3V max reverse working voltage, 4V min breakdown at 1mA, and ±30kV IEC 61000-4-2 ESD rating. |
| 2 | A2 | passive | Second terminal of the bi-directional TVS diode, interchangeable with the other terminal, with 13V max clamping at Ipp=8A (8/20µs) and 13pF typical junction capacitance. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-523 |
| Category | TVS/Fuse/Board Level Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `AZ5123-01H-P`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `az5123-01h-p-etched.step` / `az5123-01h-p-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `az5123-01h-p.step` / `az5123-01h-p.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/az5123-01h-p-datasheet.pdf) (4 pp, sha256 `15e7fead9a1a6b99`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/az5123-01h-p-datasheet.pdf)