# JK-nSMD100

**Jinrui Electronic Materials Co** · Resettable Fuses · 1206

JK-nSMD100 from Jinrui Electronic Materials Co, in a 1206. 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 pad on one end of the non-polarized PTC resettable fuse (Tin-plated nickel-copper), Ihold 1.00 A at 25°C, Vmax 6.0 Vdc, Imax 100 A. |
| 2 | 2 | passive | Terminal pad on the opposite end of the non-polarized PTC resettable fuse (Tin-plated nickel-copper), interchangeable with pad 1, Ihold 1.00 A at 25°C, Vmax 6.0 Vdc, Imax 100 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jinrui Electronic Materials Co |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `JK-nSMD100`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `jk-nsmd100-etched.step` / `jk-nsmd100-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jk-nsmd100.step` / `jk-nsmd100.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Jinrui Electronic Materials Co datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919405304954880) (7 pp, sha256 `5baf8ea6eabb2c2d`, 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/jk-nsmd100-datasheet.pdf)