# 74279228111

**Wurth Elektronik** · Global Sourcing Parts · 0603

74279228111 from Wurth Elektronik, 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 the two-terminal bead (schematic shows a single series element); rated 4100 mA max (ΔT = 40 K), RDC 20 mΩ max at 20 °C. |
| 2 | 2 | passive | Terminal 2 of the two-terminal bead (schematic shows a single series element); impedance 110 Ω ±25% at 100 MHz. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Wurth Elektronik |
| Package | 0603 |
| Category | Global Sourcing Parts |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `74279228111`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `74279228111-etched.step` / `74279228111-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `74279228111.step` / `74279228111.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Wurth Elektronik datasheet](https://www.we-online.com/components/products/datasheet/74279228111.pdf) (10 pp, sha256 `d0d0b174dacd1541`, retrieved 2026-10-10, 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/74279228111-datasheet.pdf)