# SRF1206P050

**prosemi** · Resettable Fuses · 1206

SRF1206P050 from prosemi, 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 | prosemi |
| 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 |  | 0.5 | 0.5 | A | 25℃ still air | 1 |
| Trip current | IT | 1 |  |  | A | 25℃ still air | 1 |
| Maximum continuous voltage | Vmax |  | 30 | 30 | V | at rated current | 1 |
| Maximum fault current | Imax |  | 100 | 100 | A | at rated voltage | 1 |
| Maximum time to trip | Ttrip |  | 8 | 8 | s | at assigned current | 1 |

## CAD (KiCad official)

- Symbol: `SRF1206P050`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `srf1206p050-etched.step` / `srf1206p050-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `srf1206p050.step` / `srf1206p050.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [prosemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921239957753856) (3 pp, sha256 `91ee054c125cc7d9`, 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/srf1206p050-datasheet.pdf)