# VLS252012HBX-4R7M-1

**TDK** · Power Inductors · 1008

VLS252012HBX-4R7M-1 from TDK, 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 | 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 | TDK |
| Package | 1008 |
| 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 | % |  | 1 |
| DC resistance |  |  | 0.2 | 0.24 | Ω |  | 1 |
| Rated current Isat | Isat |  | 1.9 | 1.55 | A | Isat: based on inductance change rate (30% below initial L value) | 1 |
| Rated current Itemp | Itemp |  | 1.65 | 1.4 | A | Itemp: based on temperature increase of 40°C by self heating | 1 |
| Operating temperature range |  | -40 |  | 105 | °C | includes self-temperature rise | 1 |
| Storage temperature range (after assembly) |  | -40 |  | 105 | °C | after assembly | 1 |
| Storage temperature (before assembly) |  | 5 |  | 40 | °C | storage period less than 12 months; humidity 10 to 75% RH or less | 4 |
| Preheating temperature difference |  |  |  | 150 | °C | temperature difference between solder temperature and chip temperature before soldering | 4 |
| Inductance | L |  | 4.7 |  | µH | L measuring frequency 1 MHz | 1 |

## CAD (KiCad official)

- Symbol: `VLS252012HBX-4R7M-1`
- Footprint: `Inductor_SMD:L_1008_2520Metric`
- 3D model: 1008 (KiCad packages3D, STEP)
- 3D model files: `vls252012hbx-4r7m-1-etched.step` / `vls252012hbx-4r7m-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `vls252012hbx-4r7m-1.step` / `vls252012hbx-4r7m-1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TDK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933370223210496) (4 pp, sha256 `0190a95f70b860ae`, 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/vls252012hbx-4r7m-1-datasheet.pdf)