# MTQH322512S100MBT

**MetalLions** · Power Inductors · 1210

MTQH322512S100MBT from MetalLions, 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 | 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 | 1210 |
| Category | Inductors, Coils, Chokes |
| 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 |
|---|---|---|---|---|---|---|---|
| Inductance tolerance |  | -20 |  | 20 | % | Part-number suffix M = ±20% | 1 |
| Inductance (nominal) | L0 |  | 10 |  | µH | @(0A) 1MHz | 2 |
| DC resistance | Rdc |  | 210 | 230 | mΩ |  | 2 |
| Heat rating current | Irms |  | 2.2 | 1.8 | A | Note 3: DC current causing approx. ΔT of 40 ℃ | 2 |
| Saturation current | Isat |  | 2.3 | 1.9 | A | Note 4: DC current causing L0 to drop approx. 30% | 2 |
| Insulation resistance |  | 100 |  |  | MΩ | 100 VDC between coil and middle of top surface of body, 60 s | 6 |
| Inductance change, temperature characteristic |  | -20 |  | 20 | % | Pc-b, Pc-d; -40 ℃ and +125 ℃ vs +20 ℃ reference | 6 |
| Inductance change, resistance to soldering heat |  | -10 |  | 10 | % | Solder 260±5℃, immersion 10±1 s | 6 |
| Inductance change, high temperature |  | -10 |  | 10 | % | 125±2℃, 1000 h | 6 |
| Inductance change, low temperature |  | -10 |  | 10 | % | -40±2℃, 1000 h | 6 |
| Inductance change, thermal shock |  | -10 |  | 10 | % | -55±3℃ to 125±3℃, 32 cycles | 6 |
| Inductance change, static humidity |  | -10 |  | 10 | % | 95±3%RH at 60±2℃, 1000 h | 6 |
| Inductance change, storage with Irms applied |  | -10 |  | 10 | % | 85±2℃, 1000 h, Irms applied | 6 |
| Operating temperature range |  | -55 |  | 125 | ℃ | Including self temp. rise | 1 |
| Part temperature (ambient + temperature rise) |  |  |  | 125 | ℃ | Worst case operating conditions (Note 6) | 3 |
| Peak reflow temperature | Tp |  |  | 260 | ℃ | Pb-free reflow profile; peak held within -5/0 ℃ for 10 s | 7 |
| Allowed re-flow times |  |  |  | 2 | times | Recommended reflow soldering profile | 7 |

## CAD (KiCad official)

- Symbol: `MTQH322512S100MBT`
- Footprint: `Inductor_SMD:L_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `mtqh322512s100mbt-etched.step` / `mtqh322512s100mbt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `mtqh322512s100mbt.step` / `mtqh322512s100mbt.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/8603069125715369984) (8 pp, sha256 `cc94e29d5290faf3`, 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/mtqh322512s100mbt-datasheet.pdf)