# BSMD1206L-350

**BHFUSE** · Resettable Fuses · 1206

BSMD1206L-350 from BHFUSE, 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 terminal of the non-polarized PTC; BSMD1206L-350 holds 3.50 A and trips at 7.00 A, rated 6.0 Vdc max at 50 A max fault current. |
| 2 | 2 | passive | Other terminal of the non-polarized PTC; the 1.00 x 1.80 mm pads are interchangeable, and the device is rated for -40 °C to +85 °C ambient. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `BSMD1206L-350`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `bsmd1206l-350-etched.step` / `bsmd1206l-350-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bsmd1206l-350.step` / `bsmd1206l-350.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BHFUSE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8619247467377303552) (7 pp, sha256 `786f5f45bdc33acf`, retrieved 2026-10-09, 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/bsmd1206l-350-datasheet.pdf)