# ZECB201209A401-2A000

**Zeng Yi** · Ferrite Beads · 0805

ZECB201209A401-2A000 from Zeng Yi, in a 0805. 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 | First end terminal of the 0805 multilayer ferrite bead, 400Ω ±25% impedance at 100MHz, max DC resistance 0.1Ω, rated current 2000mA. |
| 2 | 2 | passive | Second end terminal of the 0805 multilayer ferrite bead, interchangeable with the first terminal, 400Ω ±25% at 100MHz, rated current 2000mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Zeng Yi |
| Package | 0805 |
| Category | Bead/Filter/EMI Optimization |
| 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 |
|---|---|---|---|---|---|---|---|
| Impedance (printed column header 'Inductance (Ω)'; row label '阻抗 At 100MHz') |  |  | 400 |  | Ω | At 100MHz | 3 |
| Impedance tolerance (printed as ±25%) |  | -25 |  | 25 | % |  | 3 |
| Max. DC Resistance (直流电阻) |  |  |  | 0.1 | Ω |  | 3 |
| Max. Rated Current (额定电流) |  |  |  | 2000 | mA |  | 3 |

## CAD (KiCad official)

- Symbol: `ZECB201209A401-2A000`
- Footprint: `Inductor_SMD:L_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `zecb201209a401-2a000-etched.step` / `zecb201209a401-2a000-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `zecb201209a401-2a000.step` / `zecb201209a401-2a000.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Zeng Yi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590225978389147648) (3 pp, sha256 `2820b6db5e68ddab`, 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/zecb201209a401-2a000-datasheet.pdf)