# MLI3216F-3R3KT

**MetalLions** · Inductors (SMD) · 1206

MLI3216F-3R3KT from MetalLions, 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 1 of an unpolarised inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | MetalLions |
| Package | 1206 |
| Category | Inductors, Coils, Chokes |
| Pins | 2 |

## Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Inductance |  |  | 3.3 |  | µH | nominal, catalog attribute (LCSC C2885924) | catalog |
| Tolerance |  | -10 |  | 10 | % | catalog attribute (LCSC C2885924) | catalog |
| Rated current |  |  |  | 50 | mA | catalog attribute (LCSC C2885924) | catalog |

## 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 |  | tin | ④-1 Terminal electrode: Inside (Ag) ④-2 Outside (Electro-plating Ni-Sn) | 1 |

## CAD (KiCad official)

- Symbol: `MLI3216F-3R3KT`
- Footprint: `Inductor_SMD:L_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `mli3216f-3r3kt-etched.step` / `mli3216f-3r3kt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mli3216f-3r3kt.step` / `mli3216f-3r3kt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MetalLions datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590197099942866944) (5 pp, sha256 `05c1cfef92f61a11`, retrieved 2026-10-17, 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/mli3216f-3r3kt-datasheet.pdf)