# FEMTOASMDC010F

**Littelfuse** · Resettable Fuses · 0603

FEMTOASMDC010F from Littelfuse, in a 0603. 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 | 0603 |
| 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 value (minimum) |  | 2 |  |  | OHMS | at 25°C | 1 |
| Resistance value (maximum) |  |  |  | 14 | OHMS | at 25°C; measured 1 hour after reflow | 1 |
| Time to trip (maximum) |  |  |  | 0.1 | SECONDS | at 25°C, 0.7A; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Tripped-state power dissipation (maximum) |  |  |  | 0.5 | WATTS | at 25°C, 15V; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Maximum voltage rating |  |  |  | 15 | VDC | Maximum Electrical Rating | 1 |
| Short circuit current rating |  |  |  | 10 | A | Maximum Electrical Rating | 1 |
| Hold current |  |  | 0.12 |  | AMPERES | at 0°C; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Trip current |  |  | 0.36 |  | AMPERES | at 0°C; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Hold current |  |  | 0.1 |  | AMPERES | at 25°C; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Trip current |  |  | 0.3 |  | AMPERES | at 25°C; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Hold current |  |  | 0.07 |  | AMPERES | at 60°C; PCB with 0.040"X2.0 ounce copper traces | 1 |
| Trip current |  |  | 0.21 |  | AMPERES | at 60°C; PCB with 0.040"X2.0 ounce copper traces | 1 |

## CAD (KiCad official)

- Symbol: `FEMTOASMDC010F`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `femtoasmdc010f-etched.step` / `femtoasmdc010f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `femtoasmdc010f.step` / `femtoasmdc010f.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/8589934826511380480) (2 pp, sha256 `4c0d231888849a8d`, 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/femtoasmdc010f-datasheet.pdf)