# SJD12C10L01

**Liown** · ESD And Surge Protection (TVS/ESD) · SOD-123FL

SJD12C10L01 from Liown, in a SOD-123FL. 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 | Liown |
| Package | SOD-123FL |
| 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 (min) | VB | 11.1 |  |  | V | IT = 1 mA | 2 |
| Breakdown voltage (max) | VB |  |  | 12.3 | V | IT = 1 mA | 2 |
| Peak pulse power dissipation | PPPM |  |  | 200 | W | 10/1000μs waveform (Note 1, Note 2, Fig.1) | 1 |
| Peak pulse power | PPPM |  |  | 1000 | W | tp=8/20μs waveform | 1 |
| Steady state power dissipation | PM(AV) |  |  | 1 | W | TL=75℃ (Fig.5) | 1 |
| Operating junction and storage temperature range | TJ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Maximum clamping voltage | VC |  |  | 17 | V | @ IPP = 11.8 A | 2 |
| Reverse leakage current | IR |  | 5 |  | μA | @ VR = 10 V | 2 |
| Reverse stand-off voltage | VR |  | 10 |  | V |  | 2 |
| Typical thermal resistance junction to lead | RθJL |  | 100 |  | ℃/W | Typical | 1 |
| Typical thermal resistance junction to ambient | RθJA |  | 220 |  | ℃/W | Typical | 1 |

## CAD (KiCad official)

- Symbol: `SJD12C10L01`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `sjd12c10l01-etched.step` / `sjd12c10l01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sjd12c10l01.step` / `sjd12c10l01.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Liown datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590286162117099520) (7 pp, sha256 `2af73f617a9b968b`, retrieved 2026-10-15, 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/sjd12c10l01-datasheet.pdf)