# F12F30

**TLC Electronic** · Disposable Fuses · 1206

F12F30 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 end-cap terminal of the non-polarized 30A fast-acting fuse (rated 32V DC, 150A breaking capacity at 32Vdc, typical cold resistance 1.25 mOhm). |
| 2 | 2 | passive | Other end-cap terminal of the non-polarized 30A fast-acting fuse (rated 32V DC, 150A breaking capacity at 32Vdc, typical cold resistance 1.25 mOhm). |

## 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 |
|---|---|---|---|---|---|---|---|
| Opening time at 1.0In rated current (minimum) |  | 4 |  |  | hour | Rated Current 1.0In, 30A | 2 |
| Opening time at 3.5In rated current (maximum) |  |  |  | 5 | sec | Rated Current 3.5In, 30A | 2 |
| DC rated voltage |  |  |  | 32 | V | DC rated voltage, F12F30 | 2 |
| Rated current |  |  | 30 |  | A |  | 2 |
| Breaking capacity (DC interrupting rating) |  |  | 150 |  | A | @32Vdc; measured at rated voltage, time constant <50 microseconds, battery source | 2 |
| Typical cold resistance |  |  | 1.25 |  | mOhms | Measured at <10% of rated current, ambient 25℃ | 2 |
| Typical voltage drop |  |  | 68 |  | mV |  | 2 |
| Typical pre-arcing I2t | I2t |  | 43 |  | A2Sec | Measured at 10In current | 2 |
| Operating temperature |  | -55 |  | 125 | ℃ | With proper correction factor applied; see temperature derating curve (normal ambient 23+/-3℃) | 5 |

## CAD (KiCad official)

- Symbol: `F12F30`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `f12f30-etched.step` / `f12f30-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `f12f30.step` / `f12f30.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/8590207891153190912) (5 pp, sha256 `1ffc4dbbf6ba7078`, retrieved 2026-10-19, 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/f12f30-datasheet.pdf)