# CMP321609UD4R7MT

**FH Guangdong Fenghua Advanced Tech** · Inductors (SMD) · 1206

CMP321609UD4R7MT from FH Guangdong Fenghua Advanced Tech, 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 | One terminal electrode (Ag layer with Ni/Sn plating, 0.5±0.3 mm wide) of the 4.7µH ±20% multilayer ferrite power inductor, rated 700 mA max with 0.38 Ω max DC resistance. |
| 2 | 2 | passive | Other terminal electrode (Ag layer with Ni/Sn plating, 0.5±0.3 mm wide) of the inductor; the part is non-polarized, with SRF 35 MHz min and operating range -40℃ to +85℃. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | FH Guangdong Fenghua Advanced Tech |
| 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 |  |  | 4.7 |  | µH | nominal, catalog attribute (LCSC C139250) | catalog |
| Tolerance |  | -20 |  | 20 | % | catalog attribute (LCSC C139250) | catalog |
| Rated current |  |  |  | 700 | mA | catalog attribute (LCSC C139250) | 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 |  | silver | Terminal electrode 银层 Ag layer 银Ag | 4 |

## CAD (KiCad official)

- Symbol: `CMP321609UD4R7MT`
- Footprint: `Inductor_SMD:L_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `cmp321609ud4r7mt-etched.step` / `cmp321609ud4r7mt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cmp321609ud4r7mt.step` / `cmp321609ud4r7mt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FH Guangdong Fenghua Advanced Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897214039273472) (12 pp, sha256 `2582c9c0c4c0ffb5`, retrieved 2026-10-19, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/cmp321609ud4r7mt-datasheet.pdf)