# CH2012H4N7S

**CEC Shenzhen Zhenhua Fu Elec** · Inductors (SMD) · 0805

CH2012H4N7S from CEC Shenzhen Zhenhua Fu Elec, 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 | 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 | CEC Shenzhen Zhenhua Fu Elec |
| Package | 0805 |
| 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 (S code, ±0.3nH) |  | -0.3 |  | 0.3 | nH |  | 1 |
| Q min | Q | 10 |  |  |  | L, Q measured at 100 MHz | 4 |
| Self-resonant frequency SRF min | SRF | 3000 |  |  | MHz | printed as >3000 MHz | 4 |
| DC resistance DCR max | DCR |  |  | 0.2 | Ω |  | 4 |
| Rated current Imax | Imax |  |  | 400 | mA |  | 4 |
| Operating temperature |  | -40 |  | 125 | ℃ |  | 1 |
| Storage temperature |  |  |  | 40 | ℃ | 70% RH max | 1 |
| Inductance L (nominal) | L |  | 4.7 |  | nH | L, Q measured at 100 MHz | 4 |

## CAD (KiCad official)

- Symbol: `CH2012H4N7S`
- Footprint: `Inductor_SMD:L_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `ch2012h4n7s-etched.step` / `ch2012h4n7s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ch2012h4n7s.step` / `ch2012h4n7s.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [CEC Shenzhen Zhenhua Fu Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588948542564552704) (19 pp, sha256 `3ddfc590c1392749`, retrieved 2026-10-18, 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`, 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/ch2012h4n7s-datasheet.pdf)