# SMF4754

**Yangzhou Yangjie Elec Tech** · Zener Diodes · SOD-123FL

SMF4754 from Yangzhou Yangjie Elec Tech, 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 end marked by the cathode line; positive terminal in zener (reverse) operation with VZ 39 V nominal at IZT 6.5 mA, 1.0 W max power dissipation at TL=75°C. |
| 2 | A | passive | Anode, the terminal opposite the cathode line; forward voltage max 1.2 V at IF=200 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yangzhou Yangjie Elec Tech |
| Package | SOD-123FL |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `SMF4754`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `smf4754-etched.step` / `smf4754-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smf4754.step` / `smf4754.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915800962961408) (5 pp, sha256 `6ae9296153d5d693`, retrieved 2026-10-13, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/smf4754-datasheet.pdf)