# F12T6

**TLC Electronic** · Disposable Fuses · 1206

F12T6 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 | Fuse terminal 1 (one end cap of the non-polarized 1206 slow blow fuse), rated 6A, 32V DC, 50A breaking capacity at 32Vdc. |
| 2 | 2 | passive | Fuse terminal 2 (opposite end cap of the non-polarized 1206 slow blow fuse), rated 6A, 32V DC, 50A breaking capacity at 32Vdc. |

## 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 |
|---|---|---|---|---|---|---|---|
| Rated Voltage |  |  |  | 32 | V | Specifications table, Part No. F12T6 | 2 |
| Breaking Capacity (DC interrupting rating) |  |  |  | 50 | A | Printed as 50A@32Vdc; measured at rated voltage, time constant < 50 microseconds, battery source | 2 |
| Opening time at 1.0In |  | 4 |  |  | hour | Rated current 6A, 1.0In; printed as '4 hour min.' | 2 |
| Opening time at 2.5In |  |  |  | 5 | sec | Rated current 6A, 2.5In; printed as '5 sec max.' | 2 |
| Opening time at 3.0In |  | 0.1 |  | 3 | sec | Rated current 6A, 3.0In; printed as '0.1sec, 3sec' | 2 |
| Opening time at 10.0In |  | 0.2 |  | 20 | ms | Rated current 6A, 10.0In; printed as '0.2ms, 20ms' | 2 |
| Normal ambient temperature tolerance |  | -3 | 23 | 3 | ℃ | Normal ambient temperature for testing, printed as 23+/-3℃ | 6 |
| Operating temperature |  | -55 |  | 125 | ℃ | With proper correction factor applied | 6 |
| Wave solder reservoir temperature |  |  |  | 260 | ℃ | Wave solder, reservoir temperature | 5 |
| Wave solder time in reservoir |  |  |  | 10 | s | Wave solder, time in reservoir, maximum | 5 |
| Infrared reflow temperature |  |  |  | 260 | ℃ | Infrared reflow | 5 |
| Infrared reflow time |  |  |  | 30 | s | Infrared reflow, maximum | 5 |
| Preheat and soak temperature min (Tsmin) | Tsmin | 150 |  |  | ℃ | Lead-free solder reflow profile | 5 |
| Preheat and soak temperature max (Tsmax) | Tsmax |  |  | 200 | ℃ | Lead-free solder reflow profile | 5 |
| Preheat and soak time (Tsmin to Tsmax) | tS | 60 |  | 120 | Seconds | Lead-free solder reflow profile | 5 |
| Average ramp-up rate (Tsmax to Tp) |  |  |  | 3 | ℃ / Second | Maximum, lead-free solder reflow profile | 5 |
| Liquidous temperature | TL |  | 217 |  | ℃ | Lead-free solder reflow profile | 5 |
| Time at liquidous | tL | 60 |  | 150 | Seconds | Lead-free solder reflow profile | 5 |
| Peak package body temperature | TP |  | 260 |  | ℃ | Lead-free solder reflow profile | 5 |
| Time within 5℃ of classification temperature | tP |  | 30 |  | Seconds | Within 5℃ of the specified classification temperature (TC) | 5 |
| Average ramp-down rate (TP to Tsmax) |  |  |  | 6 | ℃ / Second | Maximum, lead-free solder reflow profile | 5 |
| Time from 25℃ to peak temperature |  |  |  | 8 | Minutes | Maximum, lead-free solder reflow profile | 5 |
| Rated Current |  |  | 6 |  | A | DC, Part No. F12T6 | 2 |
| Typical Cold Resistance |  |  | 16 |  | mOhms | Measured at <10% of rated current, ambient temperature 25℃ | 2 |
| Typical Voltage Drop |  |  | 140 |  | mV | Typical, as printed in Specifications table | 2 |
| Typical Pre-arcing I2t | I2t |  | 12 |  | A2Sec | Measured at 10In | 2 |

## CAD (KiCad official)

- Symbol: `F12T6`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `f12t6-etched.step` / `f12t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `f12t6.step` / `f12t6.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/8590207941497421824) (6 pp, sha256 `b8a9b7def5a0b319`, 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/f12t6-datasheet.pdf)