# SRF0805P110T

**prosemi** · Resettable Fuses · 0805

SRF0805P110T from prosemi, 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 | One terminal of the PTC resettable fuse, in series with the protected circuit, with a hold current of 1.10 A and a trip current of 2.20 A at 25°C still air. |
| 2 | 2 | passive | Second terminal of the PTC resettable fuse, interchangeable with the other terminal (non-polarized), with a hold current of 1.10 A and a trip current of 2.20 A at 25°C still air. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Hold current (IH) | IH |  | 1.1 |  | A | maximum current at which device will not trip at 25°C still air | 1 |
| Trip current (IT) | IT | 2.2 |  |  | A | minimum current at which device will always trip at 25°C still air | 1 |
| Maximum voltage (Vmax) | Vmax |  |  | 6 | V | maximum continuous voltage at rated current | 1 |
| Maximum fault current (Imax) | Imax |  |  | 100 | A | maximum fault current at rated voltage | 1 |
| Typical power dissipation (Pd) | Pd |  | 0.3 |  | W | typical power dissipated by device in still air | 1 |
| Minimum resistance (Rmin) | Rmin | 0.06 |  |  | Ω | minimum resistance in initial (un-soldered) state | 1 |
| Maximum resistance after reflow (R1max) | R1max |  |  | 0.21 | Ω | maximum resistance at 25°C measured one hour after reflow | 1 |

## CAD (KiCad official)

- Symbol: `SRF0805P110T`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `srf0805p110t-etched.step` / `srf0805p110t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `srf0805p110t.step` / `srf0805p110t.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/8590921238745735168) (3 pp, sha256 `ece4fd26a06d87ae`, retrieved 2026-10-15, 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/srf0805p110t-datasheet.pdf)