# SJD12C60L01

**Liown** · ESD Protection Devices · SOD-123FL

SJD12C60L01 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 | A1 | passive | Bidirectional TVS terminal 1 (no cathode band on the C variant) with 60V reverse stand-off, 66.7-73.7V breakdown at 1mA and 96.8V maximum clamping at 2.1A peak pulse current. |
| 2 | A2 | passive | Bidirectional TVS terminal 2, interchangeable with terminal 1, protecting one I/O line with 60V reverse stand-off and 96.8V maximum clamping at 2.1A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Liown |
| Package | SOD-123FL |
| Category | TVS/Fuse/Board Level 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 | VR |  | 60 |  | V |  | 3 |
| Breakdown Voltage | VB | 66.7 |  | 73.7 | V | @IT = 1 mA | 3 |
| Maximum Clamping Voltage | VC |  |  | 96.8 | V | @IPP = 2.1 A | 3 |
| Peak Pulse Current | IPP |  |  | 2.1 | A |  | 3 |
| Reverse Leakage Current | IR |  |  | 1 | μA | @VR | 3 |
| Peak pulse power dissipation 10/1000μs | PPPM |  |  | 200 | W | 10/1000μs waveform, TA=25℃ | 1 |
| Peak pulse power 8/20μs | PPPM |  |  | 1000 | W | tp=8/20μs waveform, TA=25℃ | 1 |
| Steady state power dissipation | PM(AV) |  |  | 1 | W | TL=75℃ | 1 |
| Peak forward surge current | IFSM |  |  | 20 | A | 8.3ms single half sine-wave superimposed on rated load | 1 |
| Operating junction and storage temperature | TJ,TSTG | -55 |  | 150 | ℃ |  | 1 |
| Thermal resistance junction to lead | RθJL |  | 100 |  | ℃/W |  | 1 |
| Thermal resistance junction to ambient | RθJA |  | 220 |  | ℃/W |  | 1 |

## 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 | copper |  | 2. Each terminal is surface Mounted on the 5.0mm×5.0mm (0.03mm thick) copper pads. | 1 |

## CAD (KiCad official)

- Symbol: `SJD12C60L01`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `sjd12c60l01-etched.step` / `sjd12c60l01-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sjd12c60l01.step` / `sjd12c60l01.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Liown datasheet](docs/sjd12c60l01-datasheet.pdf) (7 pp, sha256 `2af73f617a9b968b`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-5-5` (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/sjd12c60l01-datasheet.pdf)