# PTVS51VP1UTP

**Nexperia** · TVS · SOD-128

PTVS51VP1UTP from Nexperia, in a SOD-128. 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 unidirectional TVS diode; the marking bar on the package indicates the cathode. |
| 2 | anode | passive | Anode of the unidirectional TVS diode, the return side of the protected line. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-128 |
| Category | Circuit Protection |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VBR | 56.7 | 59.7 | 62.7 | V | IR = 1 mA | 5 |
| Reverse leakage current | IRM |  | 0.001 | 0.1 | A | at VRWM | 5 |
| Reverse leakage current (hot) | IRM |  |  | 0.5 | A | at VRWM; Tj = 150 °C | 5 |
| Clamping voltage | VCL |  |  | 82.4 | V |  | 5 |
| Rated peak pulse power | PPPM |  |  | 600 | W |  | 3 |
| Non-repetitive peak forward current | IFSM |  |  | 100 | A | single half-sine wave; tp = 8.3 ms | 3 |
| Junction temperature | Tj |  |  | 185 | °C |  | 3 |
| Ambient temperature | Tamb | -55 |  | 185 | °C |  | 3 |
| Storage temperature | Tstg | -65 |  | 185 | °C |  | 3 |
| Electrostatic discharge voltage | VESD |  |  | 30 | kV | IEC 61000-4-2, level 4 (contact discharge); Tamb = 25 °C | 3 |
| Thermal resistance junction to ambient (free air, FR4 standard footprint) | Rth(j-a) |  |  | 200 | K/W | in free air; FR4 PCB, single-sided copper, standard footprint | 3 |
| Thermal resistance junction to ambient (FR4, cathode pad 1 cm2) | Rth(j-a) |  |  | 120 | K/W | FR4 PCB, single-sided copper, mounting pad for cathode 1 cm2 | 3 |
| Thermal resistance junction to ambient (ceramic PCB, Al2O3) | Rth(j-a) |  |  | 60 | K/W | ceramic PCB, Al2O3, standard footprint | 3 |
| Thermal resistance junction to solder point | Rth(j-sp) |  |  | 12 | K/W | soldering point of cathode tab | 3 |

## CAD (KiCad official)

- Symbol: `PTVS51VP1UTP`
- Footprint: `Diode_SMD:D_SOD-128`
- 3D model: SOD-128 (KiCad packages3D, STEP)
- 3D model files: `ptvs51vp1utp-etched.step` / `ptvs51vp1utp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ptvs51vp1utp.step` / `ptvs51vp1utp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/PTVS51VP1UTP.pdf) (12 pp, sha256 `840698ebff840b6c`, retrieved 2026-10-28, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/ptvs51vp1utp-datasheet.pdf)