# MINISMDC075F

**Littelfuse** · Resettable Fuses · 1812

MINISMDC075F from Littelfuse, in a 1812. 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 | Littelfuse |
| Package | 1812 |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance |  | 0.11 |  | 0.39 | Ohms | At 25°C; maximum measured 1 hour after reflow | 1 |
| Time to trip |  |  |  | 1 | s | At 25°C, 8.0A | 1 |
| Tripped-state power dissipation |  |  |  | 1 | W | At 25°C, 33V | 1 |
| Maximum voltage rating |  |  |  | 33 | VDC |  | 1 |
| Short circuit current rating |  |  |  | 100 | A |  | 1 |
| Hold current |  |  | 0.87 |  | A | At 0°C | 1 |
| Trip current |  |  | 2 |  | A | At 0°C | 1 |
| Hold current |  |  | 0.75 |  | A | At 25°C | 1 |
| Trip current |  |  | 1.6 |  | A | At 25°C | 1 |
| Hold current |  |  | 0.55 |  | A | At 60°C | 1 |
| Trip current |  |  | 1.1 |  | A | At 60°C | 1 |

## CAD (KiCad official)

- Symbol: `MINISMDC075F`
- Footprint: `Fuse:Fuse_1812_4532Metric`
- 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files: `minismdc075f-etched.step` / `minismdc075f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `minismdc075f.step` / `minismdc075f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603118679764844544) (2 pp, sha256 `191f27e5e9227856`, 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/minismdc075f-datasheet.pdf)