# 0402FA-R500

**prosemi** · Disposable Fuses · 0402

0402FA-R500 from prosemi, in a 0402. 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 | Fuse terminal 1 (non-polarized); 0402FA-R500 is rated 0.500 A, 32 Vdc, interrupting rating 32V@35A, typical cold resistance 0.500 ohm. |
| 2 | 2 | passive | Fuse terminal 2 (non-polarized); 0402FA-R500 is rated 0.500 A, 32 Vdc, interrupting rating 32V@35A, typical cold resistance 0.500 ohm. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| Package | 0402 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `0402FA-R500`
- Footprint: `Fuse:Fuse_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `0402fa-r500-etched.step` / `0402fa-r500-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0402fa-r500.step` / `0402fa-r500.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/8590921236589998080) (3 pp, sha256 `e483ad9810b2ffb0`, 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/0402fa-r500-datasheet.pdf)