# DSS34

**FUXINSEMI** · Schottky Diodes · SOD-123

DSS34 from FUXINSEMI, in a SOD-123. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the DSS34 Schottky barrier rectifier; maximum repetitive peak reverse voltage 40 V (VRRM), maximum DC blocking voltage 40 V (VDC), maximum DC reverse current 5.0 mA at TA=25 °C. |
| 2 | A | passive | Anode of the DSS34 Schottky barrier rectifier; maximum average forward rectified current 3.0 A, maximum instantaneous forward voltage 0.85 V at IF=3.0 A, peak forward surge current 60.0 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FUXINSEMI |
| Package | SOD-123 |
| Category | Diodes |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `DSS34`
- Footprint: `Diode_SMD:D_SOD-123`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `dss34-etched.step` / `dss34-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dss34.step` / `dss34.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FUXINSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903378467627008) (4 pp, sha256 `60c13d53ba9a266e`, retrieved 2026-09-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-sonnet-4-6` (vision), consensus `claude-opus-4-7` (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/dss34-datasheet.pdf)