# BSMD0805L-350

**BHFUSE** · Resettable Fuses · 0805

BSMD0805L-350 from BHFUSE, in a 0805. 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 | BHFUSE |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Minimum resistance in initial (un-soldered) state | Rmin | 0.004 |  |  | Ω | initial (un-soldered) state | 2 |
| Maximum resistance at 25℃ after tripping or reflow | R1max |  |  | 0.018 | Ω | 25℃, one hour after tripping or reflow soldering of 260℃ for 20 sec | 2 |
| Hold current | Ihold |  |  | 3.5 | A | 25℃ still air | 2 |
| Trip current | Itrip | 7 |  |  | A | 25℃ still air | 2 |
| Maximum voltage without damage | Vmax |  |  | 6 | Vdc | at rated current (Imax) | 2 |
| Maximum fault current without damage | Imax |  |  | 50 | A | at rated voltage (Vmax) | 2 |
| Ambient operating temperature |  | -40 |  | 85 | °C | Ambient operating conditions | 3 |
| Maximum surface temperature in tripped state |  |  |  | 125 | °C | device in the tripped state | 3 |

## CAD (KiCad official)

- Symbol: `BSMD0805L-350`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `bsmd0805l-350-etched.step` / `bsmd0805l-350-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bsmd0805l-350.step` / `bsmd0805l-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/8756352649639796736) (8 pp, sha256 `9c216b222c1f9089`, retrieved 2026-10-17, 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/bsmd0805l-350-datasheet.pdf)