# ASMD0603-075

**Shenzhen JDT Fuse** · Resettable Fuses · 0603

ASMD0603-075 from Shenzhen JDT Fuse, 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 the non-polarized resettable PTC fuse (tin-plated nickel-copper pad); ASMD0603-075 is rated Ihold 0.75 A, Itrip 1.40 A, Vmax 6.0 V dc, Imax 40 A. |
| 2 | 2 | passive | Terminal 2 of the non-polarized resettable PTC fuse (tin-plated nickel-copper pad); interchangeable with terminal 1, in series with the protected circuit. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JDT Fuse |
| Package | 0603 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `ASMD0603-075`
- Footprint: `Fuse:Fuse_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `asmd0603-075-etched.step` / `asmd0603-075-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `asmd0603-075.step` / `asmd0603-075.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shenzhen JDT Fuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899508612698112) (9 pp, sha256 `c107532854c6f98a`, retrieved 2026-10-09, 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/asmd0603-075-datasheet.pdf)