# JK-SMD1210-050-13.2

**Jinrui Electronic Materials Co** · Resettable Fuses · 1210

JK-SMD1210-050-13.2 from Jinrui Electronic Materials Co, in a 1210. 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 | Non-polarized tin-plated nickel-copper terminal pad of the resettable PPTC fuse, rated Vmax 13.2 Vdc, Ihold 0.50 A and Itrip 1.00 A at 25 °C, with recommended pad 1.0 x 2.5 mm. |
| 2 | 2 | passive | Non-polarized tin-plated nickel-copper terminal pad of the resettable PPTC fuse, rated Vmax 13.2 Vdc, Ihold 0.50 A and Itrip 1.00 A at 25 °C, with recommended pad 1.0 x 2.5 mm. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Jinrui Electronic Materials Co |
| Package | 1210 |
| 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 |
|---|---|---|---|---|---|---|---|
| Initial resistance (Ri): min Rimin, typ Rityp, max R1max | Ri | 0.18 | 0.4 | 0.9 | Ω | 25℃ | 1 |
| Operating temperature range |  | -40 |  | 85 | ℃ |  | 1 |
| Maximum voltage rating (Vmax) | Vmax |  |  | 13.2 | Vdc |  | 1 |
| Maximum current rating (Imax) | Imax |  |  | 100 | A |  | 1 |
| Maximum time to trip | Ttrip |  |  | 0.1 | s | 25℃, 8.0A | 1 |
| Hold current | Ihold |  | 0.5 |  | A | 25℃ | 1 |
| Trip current | Itrip |  | 1 |  | A | 25℃ | 1 |
| Power dissipation (Pd) | Pd |  | 0.6 |  | W |  | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | tin | Terminal pad materials :Tin-Plated Nickle-copper | 1 |

## CAD (KiCad official)

- Symbol: `JK-SMD1210-050-13.2`
- Footprint: `Fuse:Fuse_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `jk-smd1210-050-13-2-etched.step` / `jk-smd1210-050-13-2-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jk-smd1210-050-13-2.step` / `jk-smd1210-050-13-2.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/8603360250514710528) (3 pp, sha256 `bfadf5fb674945d7`, retrieved 2026-10-19, 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-smd1210-050-13-2-datasheet.pdf)