# 0603FA-5A

**prosemi** · Disposable Fuses · 0603

0603FA-5A from prosemi, 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 fuse terminal of the 5.00 A, 32 V fast-acting chip fuse (interrupting rating 32V@50A, typical cold resistance 0.014 Ohm); terminals are interchangeable. |
| 2 | 2 | passive | Second fuse terminal of the 5.00 A, 32 V fast-acting chip fuse (typical voltage drop 0.110 V); terminals are interchangeable. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `0603FA-5A`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `0603fa-5a-etched.step` / `0603fa-5a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0603fa-5a.step` / `0603fa-5a.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [prosemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921236665495552) (3 pp, sha256 `f87da4f3be9411bb`, 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/0603fa-5a-datasheet.pdf)