# CHQ0603T-3N9C-HU

**Chilisin Elec** · Inductors (SMD) · 0201

CHQ0603T-3N9C-HU from Chilisin Elec, in a 0201. 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 | Chilisin Elec |
| Package | 0201 |
| 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 |
|---|---|---|---|---|---|---|---|
| RDC (DC resistance) |  |  |  | 0.41 | Ω |  | 3 |
| IDC (DC current rating) |  |  |  | 350 | mA | Applied DC current; inductance drop less than 10% of initial value | 3 |
| SRF (self-resonant frequency) |  | 7700 |  |  | MHz |  | 3 |
| Q (minimum) |  | 14 |  |  |  | Test frequency 500 MHz | 3 |
| Inductance tolerance (code C) |  | -0.2 |  | 0.2 | nH | Tolerance code C = ±0.2nH per part-number tolerance note | 3 |
| Operating temperature range |  | -55 |  | 125 | ℃ | Including self-temperature rise | 3 |
| Inductance (nominal) |  |  | 3.9 |  | nH |  | 3 |
| Q (typical) |  |  | 19 |  |  | Test frequency 500 MHz | 3 |
| Q (typical) |  |  | 25 |  |  | Test frequency 800 MHz | 3 |
| Q (typical) |  |  | 39 |  |  | Test frequency 1.8 GHz | 3 |
| Q (typical) |  |  | 41 |  |  | Test frequency 2.0 GHz | 3 |
| Q (typical) |  |  | 45 |  |  | Test frequency 2.4 GHz | 3 |

## CAD (KiCad official)

- Symbol: `CHQ0603T-3N9C-HU`
- Footprint: `Inductor_SMD:L_0201_0603Metric`
- 3D model: 0201 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Chilisin Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590911012965339136) (12 pp, sha256 `1d3ddeeb1e8c5862`, 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/chq0603t-3n9c-hu-datasheet.pdf)