# FXLB252012-2R2-M

**cjiang Changjiang Microelectronics Tech** · Power Inductors · 1008

FXLB252012-2R2-M from cjiang Changjiang Microelectronics Tech, in a 1008. 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 | Inductor terminal 1 of a 2-terminal 2.2 µH ±20% power choke (DCR 68 mΩ typ / 82 mΩ max, Idc 3.0 A typ / 2.7 A max, Isat 3.3 A typ / 3.0 A max); the datasheet does not mark polarity. |
| 2 | 2 | passive | Inductor terminal 2 of a 2-terminal 2.2 µH ±20% power choke (DCR 68 mΩ typ / 82 mΩ max, Idc 3.0 A typ / 2.7 A max, Isat 3.3 A typ / 3.0 A max); the datasheet does not mark polarity. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | cjiang Changjiang Microelectronics Tech |
| Package | 1008 |
| 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 |  |  | 2.2 |  | µH | nominal, catalog attribute (LCSC C3040393) | catalog |
| Tolerance |  | -20 |  | 20 | % | catalog attribute (LCSC C3040393) | catalog |
| Rated current |  |  |  | 3 | A | catalog attribute (LCSC C3040393) | catalog |

## CAD (KiCad official)

- Symbol: `FXLB252012-2R2-M`
- Footprint: `Inductor_SMD:L_1008_2520Metric`
- 3D model: 1008 (KiCad packages3D, STEP)
- 3D model files: `fxlb252012-2r2-m-etched.step` / `fxlb252012-2r2-m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fxlb252012-2r2-m.step` / `fxlb252012-2r2-m.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [cjiang Changjiang Microelectronics Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590902928603627520) (7 pp, sha256 `2452d7c693b25ebc`, retrieved 2026-10-12, 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/fxlb252012-2r2-m-datasheet.pdf)