# SMD1206-075C-30V

**BNstar** · Resettable Fuses · 1206

SMD1206-075C-30V 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 | One of two end terminations of the resettable polymer PTC fuse, rated 0.75 A hold, 1.50 A trip, 30 V max and 100 A max fault current. |
| 2 | 2 | passive | The other end termination of the resettable polymer PTC fuse, in series with the protected current path, rated 0.75 A hold, 1.50 A trip, 30 V max and 100 A max fault current. |

## 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 |
|---|---|---|---|---|---|---|---|
| Hold current | IH |  |  | 0.75 | A | 25°C still air, maximum current at which device will not trip | 1 |
| Trip current | IT | 1.5 |  |  | A | 25°C still air, minimum current at which device will always trip | 1 |
| Maximum continuous voltage (rated voltage) | Vmax |  |  | 30 | V | Maximum continuous voltage device can withstand without damage at rated current | 1 |
| Maximum fault current | Imax |  |  | 100 | A | Maximum fault current device can withstand without damage at rated voltage | 1 |
| Maximum time to trip | Ttrip |  |  | 8 | s | At assigned current | 1 |
| Typical power dissipation | Pdtyp |  | 0.6 |  | W | Typical power dissipated when in tripped state, still air | 1 |
| Recommended storage temperature |  |  |  | 40 | °C | Recommended storage conditions | 2 |
| Recommended storage relative humidity |  |  |  | 70 | % R.H. | Recommended storage conditions | 2 |

## CAD (KiCad official)

- Symbol: `SMD1206-075C-30V`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `smd1206-075c-30v-etched.step` / `smd1206-075c-30v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smd1206-075c-30v.step` / `smd1206-075c-30v.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/8590197112353947648) (3 pp, sha256 `d57331ffcd75ff39`, retrieved 2026-10-17, 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/smd1206-075c-30v-datasheet.pdf)