# SDD32A36L01

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

SDD32A36L01 from UMW, 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 | UMW |
| 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 |  |  | 36 | V |  | 2 |
| Reverse breakdown voltage | VBR | 40 |  |  | V | IBR=1mA | 2 |
| Reverse leakage current | IR |  |  | 1 | µA | VR=36V | 2 |
| Clamping voltage (tp=8/20us) | VC |  |  | 51 | V | IPP=1A | 2 |
| Clamping voltage (tp=8/20us) | VC |  |  | 75 | V | IPP=3A | 2 |
| Peak pulse current (tp=8/20us) | IPP |  |  | 3 | A |  | 2 |
| Off state junction capacitance | CJ |  |  | 70 | pF | 0Vdc, f=1MHz | 2 |
| Peak pulse power (tp=8/20us waveform) | PPP |  |  | 320 | W | tp=8/20us waveform | 2 |
| ESD voltage (Contact discharge) | VESD | -8 |  | 8 | kV | Contact discharge | 2 |
| ESD voltage (Air discharge) | VESD | -15 |  | 15 | kV | Air discharge | 2 |
| Storage & Junction temperature range | TSTG, TJ | -55 |  | 150 | °C |  | 2 |

## CAD (KiCad official)

- Symbol: `SDD32A36L01`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sdd32a36l01-etched.step` / `sdd32a36l01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sdd32a36l01.step` / `sdd32a36l01.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755880496746242048) (7 pp, sha256 `caf38c603807e827`, 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/sdd32a36l01-datasheet.pdf)