# SL0805200-12V

**TECHFUSE** · Resettable Fuses · 0805

SL0805200-12V from TECHFUSE, 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 | TECHFUSE |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum operating voltage | Vmax |  |  | 12 | Vdc | at rated current (Imax) | 2 |
| Maximum fault current | Imax |  |  | 50 | A | at rated voltage (Vmax) | 2 |
| Hold current | Ihold |  |  | 2 | A | 25°C still air; maximum current at which device will not trip | 2 |
| Trip current | Itrip | 4 |  |  | A | 25°C still air; minimum current at which device will always trip | 2 |
| Power dissipation in tripped state | Pd |  | 1 |  | W | 25°C still air, tripped state at rated voltage | 2 |
| Time to trip |  |  | 5 |  | Sec |  | 2 |
| Minimum device resistance prior to tripping | Rimin | 0.004 |  |  | Ω | 25°C | 2 |
| Maximum device resistance one hour post reflow | R1max |  |  | 0.045 | Ω | measured one hour post reflow | 2 |
| Ambient operating temperature |  | -40 |  | 85 | °C |  | 2 |
| Maximum surface temperature in tripped state |  |  |  | 125 | °C | device in tripped state | 2 |
| Storage temperature |  |  |  | 40 | °C | storage; 70% R.H. max | 4 |

## CAD (KiCad official)

- Symbol: `SL0805200-12V`
- Footprint: `Fuse:Fuse_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `sl0805200-12v-etched.step` / `sl0805200-12v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl0805200-12v.step` / `sl0805200-12v.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TECHFUSE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763821306561208320) (5 pp, sha256 `7c40ec1f166488ae`, 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/sl0805200-12v-datasheet.pdf)