# WI0603LD2R2MST-TIA-HF

**DDY** · Inductors (SMD) · 0603

WI0603LD2R2MST-TIA-HF from DDY, in a 0603. 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 | DDY |
| Package | 0603 |
| 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 (M) |  | -20 |  | 20 | % | Tolerance letter M for this MPN, printed M±20% | 4 |
| DC resistance tolerance | Rdc | -30 |  | 30 | % | Column header printed as Rdc±30% | 5 |
| Operating temperature |  | -40 |  | 85 | °C |  | 4 |
| Reflow peak tip temperature (lead free) |  |  |  | 260 | °C | Re-flow soldering (lead free), tip temperature max | 6 |
| Hand soldering time |  |  |  | 3 | s | Hand soldering, 20 W iron, 1.0 mm tip | 6 |
| Reflow time at peak | TP |  |  | 10 | s | TP 260°C, 10 s max | 6 |
| Inductance | L |  | 2.2 |  | µH | Measured @1MHz | 5 |
| Quality factor | Q |  | 10 |  |  | Measured @1MHz | 5 |
| Self-resonant frequency | SRF |  | 90 |  | MHz |  | 5 |
| DC resistance | Rdc |  | 0.3 |  | Ω |  | 5 |
| Rated DC current | Irms |  | 600 |  | mA | Temperature rise (ΔT) approximately 40°C at Irms | 5 |

## CAD (KiCad official)

- Symbol: `WI0603LD2R2MST-TIA-HF`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `wi0603ld2r2mst-tia-hf-etched.step` / `wi0603ld2r2mst-tia-hf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wi0603ld2r2mst-tia-hf.step` / `wi0603ld2r2mst-tia-hf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [DDY datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603062465823993856) (7 pp, sha256 `17a3d30b10c7df3b`, 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/wi0603ld2r2mst-tia-hf-datasheet.pdf)