# PESD24VL1BA-FS

**FUXINSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-323

PESD24VL1BA-FS from FUXINSEMI, 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 | I/O 1 | passive | Bidirectional TVS terminal protecting one I/O line, with 24V max reverse working voltage and 26.7V min breakdown at 1mA; polarity is interchangeable with pin 2. |
| 2 | I/O 2 | passive | Bidirectional TVS terminal, connected to ground or the return side of the protected line, with 24V max reverse working voltage; polarity is interchangeable with pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | SOD-323 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `PESD24VL1BA-FS`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `pesd24vl1ba-fs-etched.step` / `pesd24vl1ba-fs-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd24vl1ba-fs.step` / `pesd24vl1ba-fs.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FUXINSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757278708358877184) (3 pp, sha256 `fa2999e485615b7b`, 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/pesd24vl1ba-fs-datasheet.pdf)