# TPE4V5KHC

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

TPE4V5KHC from TECH PUBLIC, 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 | One of two terminals of the 1-line bidirectional diode, which protects one data or power line, rated at 4.5 V reverse working voltage and 2500 W peak pulse power (8/20 µs). |
| 2 | 2 | passive | The other terminal of the 1-line bidirectional diode, which protects one data or power line, rated at 4.5 V reverse working voltage and 2500 W peak pulse power (8/20 µs). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TECH PUBLIC |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Working Voltage | VRWM |  |  | 4.5 | V |  | 2 |
| Breakdown Voltage | VBR | 4.7 |  |  | V | IT=1mA | 2 |
| Leakage Current | ILeak |  |  | 0.8 | uA | VRWM=4.5V | 2 |
| Clamping Voltage | VC |  |  | 11 | V | IPP=100A, Tp=8/20μs | 2 |
| Clamping Voltage | VC |  |  | 15 | V | IPP=160A, Tp=8/20μs | 2 |
| Junction Capacitance | CJ |  | 320 |  | pF | VR=0V, f=1MHz | 2 |
| Peak Pulse Power | Ppk |  |  | 2500 | W | 8/20µs | 2 |
| Peak Pulse Current | IPP |  |  | 160 | A | 8/20µs | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 |  | 30 | kV | IEC 61000-4-2 air discharge; printed ±30 | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 |  | 30 | kV | IEC 61000-4-2 contact discharge; printed ±30 | 2 |
| Operating Temperature Range | TJ | -55 |  | 125 | °C |  | 2 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 2 |

## CAD (KiCad official)

- Symbol: `TPE4V5KHC`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `tpe4v5khc-etched.step` / `tpe4v5khc-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpe4v5khc.step` / `tpe4v5khc.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/8588919205995417600) (4 pp, sha256 `87f9e2a7273cf220`, retrieved 2026-10-26, tier: lcsc)
- **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/tpe4v5khc-datasheet.pdf)