# TPB02A40-523

**TECH PUBLIC** · Schottky Diodes · SOD-523

TPB02A40-523 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 | CATHODE | passive | Cathode of the Schottky diode (PIN1, marked end); DC reverse voltage 40 V max, mean rectifying current 200 mA. |
| 2 | ANODE | passive | Anode of the Schottky diode (PIN2); forward voltage 0.39 V max at IF=10 mA and 0.55 V max at IF=100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-523 |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `TPB02A40-523`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `tpb02a40-523-etched.step` / `tpb02a40-523-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpb02a40-523.step` / `tpb02a40-523.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](docs/tpb02a40-523-datasheet.pdf) (3 pp, sha256 `23f1c75951b3c529`, 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/tpb02a40-523-datasheet.pdf)