# 1206L300

**LUTE** · Resettable Fuses · 1206

1206L300 from LUTE, 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 | First terminal of the non-polarized PPTC; the 1206L300/6NR and /12NR parts are rated 3.00 A hold and 6.00 A trip at 25°C, 6 V or 12 Vdc max respectively. |
| 2 | 2 | passive | Second terminal of the non-polarized PPTC (interchangeable with pin 1); 100 A max fault current, R1max 0.050 Ω after trip or reflow. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `1206L300`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `1206l300-etched.step` / `1206l300-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1206l300.step` / `1206l300.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LUTE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603109170284032000) (10 pp, sha256 `dcd0a51c79ccb54e`, 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/1206l300-datasheet.pdf)