# SF-0603S050-2

**BOURNS** · Disposable Fuses · 0603

SF-0603S050-2 from BOURNS, in a 0603. 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 | 1 | passive | One terminal of the non-polarized 0.5 A slow blow fuse (0.232 Ω typ., 32 VDC rated, 50 A @ 32 VDC interrupting), 0.8 mm pad width per the recommended pad layout. |
| 2 | 2 | passive | Other terminal of the non-polarized 0.5 A slow blow fuse (0.232 Ω typ., 32 VDC rated, 50 A @ 32 VDC interrupting), 0.8 mm pad width per the recommended pad layout. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BOURNS |
| Package | 0603 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `SF-0603S050-2`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `sf-0603s050-2-etched.step` / `sf-0603s050-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sf-0603s050-2.step` / `sf-0603s050-2.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BOURNS datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590005773972365312) (5 pp, sha256 `afc4c96bfbc20b5b`, retrieved 2026-10-09, 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/sf-0603s050-2-datasheet.pdf)