# PTVS36VS1UR

**FUXINSEMI** · ESD And Surge Protection (TVS/ESD) · SOD-123

PTVS36VS1UR from FUXINSEMI, in a SOD-123. 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 | K | passive | Cathode of the unidirectional TVS (marked by the cathode band); PTVS36VS1UR has 36.0 V working peak reverse voltage, 40.00 V to 44.20 V breakdown at 1 mA and 58.1 V maximum clamping at 6.88 A. |
| 2 | A | passive | Anode of the unidirectional TVS; the device is rated 400 W peak pulse power (10x1000us) with 1.0 uA maximum reverse leakage at 36.0 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | SOD-123 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `PTVS36VS1UR`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `ptvs36vs1ur-etched.step` / `ptvs36vs1ur-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ptvs36vs1ur.step` / `ptvs36vs1ur.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/8590919838167101440) (6 pp, sha256 `15d43b14409c1597`, retrieved 2026-10-18, 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/ptvs36vs1ur-datasheet.pdf)