# FC-LCL2208-151-20A-LF

**FANGCHENG** · Common Mode Filters · DIP-4

FC-LCL2208-151-20A-LF from FANGCHENG, in a DIP-4. 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 | Winding 1 start, one end of the first coil (paired with pin 2); primary DCR 1.9 mΩ max (1-2), rated current 20.0 A. |
| 2 | 2 | passive | Winding 1 end, other end of the first coil (paired with pin 1); primary DCR 1.9 mΩ max (1-2), rated current 20.0 A. |
| 3 | 3 | passive | Winding 2 end, one end of the second coil (paired with pin 4); leakage inductance measured with 4-3 shorted is 5.6 uH typ. |
| 4 | 4 | passive | Winding 2 start, other end of the second coil (paired with pin 3); DCR 1.9 mΩ max (4-3), rated current 20.0 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FANGCHENG |
| Package | DIP-4 |
| Category | Filters |
| Pins | 4 |

## CAD (KiCad official)

- Symbol: `FC-LCL2208-151-20A-LF`
- Footprint: `Package_DIP:DIP-4_W7.62mm`
- 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files: `fc-lcl2208-151-20a-lf-etched.step` / `fc-lcl2208-151-20a-lf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fc-lcl2208-151-20a-lf.step` / `fc-lcl2208-151-20a-lf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FANGCHENG datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8624319502804115456) (2 pp, sha256 `56d630077837a60a`, retrieved 2026-10-16, 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/fc-lcl2208-151-20a-lf-datasheet.pdf)