# 12D1100C

**Shenzhen lanson Elec** · Disposable Fuses · 1206

12D1100C from Shenzhen lanson Elec, 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 | First terminal of the 1A, 63V fast-acting SMD fuse (nickel/tin-plated termination); the fuse is non-polarized and interrupts 50A at 63V DC. |
| 2 | 2 | passive | Second terminal of the 1A, 63V fast-acting SMD fuse (nickel/tin-plated termination); the fuse is non-polarized and opens within 5 s max at 250% of rated current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen lanson Elec |
| Package | 1206 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `12D1100C`
- Footprint: `Fuse:Fuse_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `12d1100c-etched.step` / `12d1100c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `12d1100c.step` / `12d1100c.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shenzhen lanson Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586197502685429760) (1 pp, sha256 `2a19bca2b78d820f`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (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/12d1100c-datasheet.pdf)