# F12F3.5

**TLC Electronic** · Disposable Fuses · 1206

F12F3.5 from TLC Electronic, 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 metal end-cap terminal of the 1206 fuse (0.50 mm wide on a 3.20±0.20 x 1.60±0.20 mm body), rated 3.5A, 32V DC, 150A breaking capacity at 32Vdc. |
| 2 | 2 | passive | Other metal end-cap terminal of the 1206 fuse (0.50 mm wide), interchangeable with the first terminal; typical cold resistance 40 mOhms and 180 mV typical voltage drop. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `F12F3.5`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `f12f3-5-etched.step` / `f12f3-5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `f12f3-5.step` / `f12f3-5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TLC Electronic datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208863258370048) (5 pp, sha256 `79f90cabde99ded2`, 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/f12f3-5-datasheet.pdf)