# ESDKV5V0D3

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

ESDKV5V0D3 from Changjing, 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | V(BR) | 6 |  | 8 | V | IT=1mA | 3 |
| Reverse leakage current | IR |  |  | 1 | μA | VRWM=5V | 3 |
| Clamping voltage | VC |  |  | 27 | V | IPP=30A, 8/20μs | 3 |
| Junction capacitance | CJ |  |  | 2 | pF | VR=0V,f=1MHz | 3 |
| Reverse stand off voltage | VRWM |  |  | 5 | V |  | 3 |
| IEC 61000-4-2 ESD voltage air | VESD | -25 |  | 25 | kV | IEC 61000-4-2 Air | 2 |
| IEC 61000-4-2 ESD voltage contact | VESD | -25 |  | 25 | kV | IEC 61000-4-2 Contact | 2 |
| ESD voltage human body model | VESD | -16 |  | 16 | kV | JESD22-A114-B HBM | 2 |
| ESD voltage machine model | VESD | -0.4 |  | 0.4 | kV | Machine Model | 2 |
| Peak pulse power | PPP |  |  | 750 | W | 8/20µs | 2 |
| Peak pulse current | IPP |  |  | 30 | A | 8/20µs | 2 |
| Lead solder temperature | TL |  |  | 260 | ℃ | 10 second duration | 2 |
| Operation junction and storage temperature | TJ,Tstg | -55 |  | 150 | ℃ |  | 2 |

## CAD (KiCad official)

- Symbol: `ESDKV5V0D3`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `esdkv5v0d3-etched.step` / `esdkv5v0d3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esdkv5v0d3.step` / `esdkv5v0d3.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590207771166736384) (6 pp, sha256 `2e3d1430e368fd07`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/esdkv5v0d3-datasheet.pdf)