# KUDD32C05L01

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

KUDD32C05L01 from KUU, 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 | KUU |
| 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 Breakdown Voltage | VBR | 6.2 |  | 9 | V | IR = 1mA | 2 |
| Reverse Leakage Current | IR |  |  | 0.2 | uA | VR = 5V | 2 |
| Clamping voltage | VC |  |  | 10.5 | V | IPP = 1A,TP=8/20us | 2 |
| Clamping voltage | VC |  |  | 20 | V | IPP = 20A,TP=8/20us | 2 |
| Junction capacitance | Cj |  | 1 | 1.5 | pF | VR =0V,f =1MHz | 2 |
| Reverse Working Voltage | VRWM |  |  | 5 | V |  | 2 |
| Peak Pulse Power | PPP |  |  | 400 | W | tp=8/20μs waveform | 2 |
| Peak Pulse Current | IPP |  |  | 20 | A | 8/20µs | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 |  | 30 | KV | Air | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 |  | 30 | KV | Contact | 2 |
| Operating Temperature Range | TJ | -55 |  | 125 | °C |  | 2 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 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 |  Lead Finish:Matte Tin  Case Material: “Green” Molding Compound.  UL Flammability Classification Rating 94V-0 | 1 |

## CAD (KiCad official)

- Symbol: `KUDD32C05L01`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `kudd32c05l01-etched.step` / `kudd32c05l01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kudd32c05l01.step` / `kudd32c05l01.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757284453515710464) (5 pp, sha256 `4bbd83f8164ff072`, 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/kudd32c05l01-datasheet.pdf)