# SMD1206-110C-24V

**BNstar** · Resettable Fuses · 1206

SMD1206-110C-24V from BNstar, 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 | Terminal 1 of an unpolarised fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BNstar |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum continuous voltage (rated voltage) | Vmax |  |  | 24 | V | Maximum continuous voltage device can withstand without damage at rated current | 1 |
| Maximum fault current | Imax |  |  | 40 | A | At rated voltage | 1 |
| Maximum time to trip | Ttrip |  |  | 0.3 | s | At 8.0 A assigned trip current, reflow 260℃ for 20 s | 1 |
| Minimum resistance (initial, un-soldered state) | Rmin | 0.04 |  |  | Ω | Initial un-soldered state | 1 |
| Maximum resistance at 25℃ one hour after reflow | R1max |  |  | 0.27 | Ω | 25℃, measured one hour after reflow soldering of 260℃ for 20 s | 1 |
| Recommended storage temperature |  |  |  | 40 | ℃ | Recommended storage conditions | 2 |
| Recommended storage relative humidity |  |  |  | 70 | %RH | Recommended storage conditions | 2 |
| Maximum ambient operating temperature range |  | -40 |  | 85 | ℃ | Range of ambient temperature columns in thermal derating table | 2 |
| Hold current | IH |  | 1.1 |  | A | 25℃ still air | 1 |
| Trip current | IT |  | 2.2 |  | A | 25℃ still air | 1 |
| Typical power dissipation | Pdtyp |  | 0.6 |  | W | Typical, in still air | 1 |
| Hold current at ambient temperature -40℃ | IH |  | 1.6 |  | A | Ambient temperature -40℃ (derating table) | 2 |
| Hold current at ambient temperature -20℃ | IH |  | 1.45 |  | A | Ambient temperature -20℃ (derating table) | 2 |
| Hold current at ambient temperature 0℃ | IH |  | 1.3 |  | A | Ambient temperature 0℃ (derating table) | 2 |
| Hold current at ambient temperature 25℃ | IH |  | 1.1 |  | A | Ambient temperature 25℃ (derating table) | 2 |
| Hold current at ambient temperature 40℃ | IH |  | 0.95 |  | A | Ambient temperature 40℃ (derating table) | 2 |
| Hold current at ambient temperature 50℃ | IH |  | 0.8 |  | A | Ambient temperature 50℃ (derating table) | 2 |
| Hold current at ambient temperature 60℃ | IH |  | 0.72 |  | A | Ambient temperature 60℃ (derating table) | 2 |
| Hold current at ambient temperature 70℃ | IH |  | 0.66 |  | A | Ambient temperature 70℃ (derating table) | 2 |
| Hold current at ambient temperature 85℃ | IH |  | 0.55 |  | A | Ambient temperature 85℃ (derating table) | 2 |

## CAD (KiCad official)

- Symbol: `SMD1206-110C-24V`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `smd1206-110c-24v-etched.step` / `smd1206-110c-24v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd1206-110c-24v.step` / `smd1206-110c-24v.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BNstar datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943312266383360) (3 pp, sha256 `8d847456f8dc8a93`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/smd1206-110c-24v-datasheet.pdf)