# SCF100-0805R

**SOCAY Elec** · Resettable Fuses · 0805

SCF100-0805R from SOCAY Elec, 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 | SOCAY Elec |
| 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 | I hold |  |  | 1 | A | Maximum current device will pass without tripping, 23°C still air | 1 |
| Trip current | I trip | 1.95 |  |  | A | Minimum current at which device will trip, 23°C still air | 1 |
| Maximum voltage | V max |  |  | 6 | Vdc | Maximum voltage device can withstand without damage at rated current (Imax) | 1 |
| Maximum fault current | I max |  |  | 100 | A | Maximum fault current device can withstand without damage at rated voltage (Vmax) | 1 |
| Minimum resistance, initial (un-soldered) | R min | 0.06 |  |  | Ω | Initial (un-soldered) state | 1 |
| Maximum resistance after trip | R 1max |  |  | 0.21 | Ω | Measured at 23°C one hour after tripping | 1 |
| Maximum time to trip |  |  |  | 0.3 | Sec. | Fault current 8.00 A | 1 |
| Typical power dissipated when tripped | P dtyp. |  | 0.6 |  | W | Power dissipated from device in tripped state, 23°C still air | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | Terminal pad material Pure Tin Soldering Characteristics Meets EIA specification RS 186-9E, ANSI/J-std-002 Category3 | 2 |

## CAD (KiCad official)

- Symbol: `SCF100-0805R`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `scf100-0805r-etched.step` / `scf100-0805r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `scf100-0805r.step` / `scf100-0805r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SOCAY Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942707884494848) (4 pp, sha256 `29c31fd346467da1`, 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/scf100-0805r-datasheet.pdf)