# F12F8

**TLC Electronic** · Disposable Fuses · 1206

F12F8 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 | First end-cap terminal of the 3.20x1.60 mm 1206 fuse (0.50 mm termination), rated 8A and 32V DC with 150A@32Vdc breaking capacity; the fuse is non-polarized. |
| 2 | 2 | passive | Second end-cap terminal of the 3.20x1.60 mm 1206 fuse (0.50 mm termination), rated 8A and 32V DC with 150A@32Vdc breaking capacity; the fuse is non-polarized. |

## Key specifications

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

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| DC Voltage Rating (rated voltage) |  |  |  | 32 | V | Part No. F12F8, DC rated voltage | 2 |
| Breaking Capacity (DC interrupting rating) |  |  |  | 150 | A | @32Vdc; measured at rated voltage, time constant <50 µs, battery source | 2 |
| Operating temperature |  | -55 |  | 125 | ℃ | with proper correction factor applied | 5 |
| Rated current |  |  | 8 |  | A |  | 2 |
| Typical DC cold resistance |  |  | 8.5 |  | mOhms | measured at <10% of rated current, ambient 25℃ | 2 |
| Typical voltage drop |  |  | 110 |  | mV |  | 2 |
| Typical pre-arcing I2t |  |  | 14 |  | A2Sec | measured at 10In current | 2 |

## CAD (KiCad official)

- Symbol: `F12F8`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `f12f8-etched.step` / `f12f8-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `f12f8.step` / `f12f8.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/8590207940209635328) (5 pp, sha256 `4ac5d513526dd9de`, retrieved 2026-10-18, 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/f12f8-datasheet.pdf)