# 1210L300

**LUTE** · Resettable Fuses · 1210

1210L300 from LUTE, in a 1210. 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 unpolarized resettable PPTC fuse (two-terminal SMD 1210, 3.2x2.5 mm); series 1210L300 is rated 3.00 A hold and 6.00 A trip at 25°C. |
| 2 | 2 | passive | Second terminal of the unpolarized resettable PPTC fuse; the 1210L300 variants are rated 6 V, 16 V or 24 V Vmax with Imax of 100 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LUTE |
| Package | 1210 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `1210L300`
- Footprint: `Fuse:Fuse_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `1210l300-etched.step` / `1210l300-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1210l300.step` / `1210l300.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/8590916957115785216) (10 pp, sha256 `4f6f2e2aa2e8b64f`, 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/1210l300-datasheet.pdf)