# K1206L025YR

**KUU** · Resettable Fuses · 1206

K1206L025YR from KUU, in a 1206. 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 resettable PTC fuse (hold current IH 0.25 A, trip current IT 0.55 A, Vmax 16 V, Imax 10 A). |
| 2 | 2 | passive | Other terminal of the non-polarized resettable PTC fuse (hold current IH 0.25 A, trip current IT 0.55 A, Vmax 16 V, Imax 10 A). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KUU |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `K1206L025YR`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `k1206l025yr-etched.step` / `k1206l025yr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `k1206l025yr.step` / `k1206l025yr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KUU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589836308975034368) (2 pp, sha256 `fcf3f287c9c973ae`, retrieved 2026-10-10, 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/k1206l025yr-datasheet.pdf)