# RLSD32A031LC

**RUILON Shenzhen Ruilongyuan Elec** · ESD And Surge Protection (TVS/ESD) · SOD-323

RLSD32A031LC from RUILON Shenzhen Ruilongyuan Elec, 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 | 1 | passive | Bidirectional protected line (power or I/O port) connected to the TVS array, with 300 W peak pulse power (8/20µs) and ±8 kV contact / ±15 kV air ESD rating. |
| 2 | 2 | passive | Second terminal of the bidirectional TVS, normally tied to ground or the return of the protected line, with operating range -55 to 150 °C. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | SOD-323 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `RLSD32A031LC`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `rlsd32a031lc-etched.step` / `rlsd32a031lc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rlsd32a031lc.step` / `rlsd32a031lc.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [RUILON Shenzhen Ruilongyuan Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172446165127168) (3 pp, sha256 `609b086880e2de33`, retrieved 2026-10-25, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+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/rlsd32a031lc-datasheet.pdf)