# 0805L050WR

**Littelfuse** · Resettable Fuses · 0805

0805L050WR from Littelfuse, in a 0805. 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 | Terminal 1 | passive | One of two interchangeable solder-plated copper end terminals of the non-polarized 0805L050 PPTC (Ihold 0.50 A, Itrip 1.00 A, Vmax 6 Vdc, Imax 100 A). |
| 2 | Terminal 2 | passive | Second interchangeable solder-plated copper end terminal of the non-polarized 0805L050 PPTC, connected in series with the protected line (pad layout 1.00 mm x 1.50 mm pads, 1.20 mm gap). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | 0805 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `0805L050WR`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `0805l050wr-etched.step` / `0805l050wr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `0805l050wr.step` / `0805l050wr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588906289276080128) (5 pp, sha256 `704fa70dbeb37bfa`, 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/0805l050wr-datasheet.pdf)