# PESDHC3D3V3U

**Shanghai Prisemi Elec** · ESD And Surge Protection (TVS/ESD) · SOD-323

PESDHC3D3V3U from Shanghai Prisemi 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 | 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 | Shanghai Prisemi Elec |
| 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 Stand-off Voltage | VRWM |  |  | 3.3 | V |  | 2 |
| Reverse Breakdown Voltage | VBR | 5 |  |  | V | It = 1mA | 2 |
| Reverse Leakage Current | IR |  |  | 1 | μA | VRWM = 3.3V T=25℃ | 2 |
| Clamping Voltage | VC |  |  | 6.5 | V | IPP = 1A tP = 8/20μs | 2 |
| Clamping Voltage | VC |  |  | 7.4 | V | IPP = 5A tP = 8/20μs | 2 |
| Clamping Voltage | VC |  |  | 9 | V | IPP = 15A tP = 8/20μs | 2 |
| Junction Capacitance | Cj |  |  | 280 | pF | VR=0V f = 1MHz | 2 |
| Unidirectional Peak Pulse Power | Ppp |  |  | 280 | W | tp=8/20μS | 2 |
| Operating Temperature | TJ | -55 |  | 150 | ℃ |  | 2 |
| Storage Temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin |  Transient protection for data lines to IEC 61000-4-2(ESD) ±30KV(air), ±30KV(contact); IEC 61000-4-4 (EFT) 40A (5/50ns)  Lead finish:100% matte Sn(Tin) | 1 |

## CAD (KiCad official)

- Symbol: `PESDHC3D3V3U`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `pesdhc3d3v3u-etched.step` / `pesdhc3d3v3u-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesdhc3d3v3u.step` / `pesdhc3d3v3u.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shanghai Prisemi Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894223373881344) (5 pp, sha256 `186c7b44f48fd85e`, 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/pesdhc3d3v3u-datasheet.pdf)