# TPB2A40-123FL

**TECH PUBLIC** · Schottky Diodes · SOD-123FL

TPB2A40-123FL from TECH PUBLIC, in a SOD-123FL. 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 barrier rectifier, rated for a maximum repetitive peak reverse voltage of 40 V and an average forward rectified current of 2 A. |
| 2 | Anode | passive | Anode of the Schottky barrier rectifier; the operating junction temperature range is -55 to +150 °C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-123FL |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `TPB2A40-123FL`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `tpb2a40-123fl-etched.step` / `tpb2a40-123fl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpb2a40-123fl.step` / `tpb2a40-123fl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECH PUBLIC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920202601787392) (4 pp, sha256 `fe46b545b0d99b36`, retrieved 2026-10-13, 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/tpb2a40-123fl-datasheet.pdf)