# LQW18CNR39J0ZD

**Murata Electronics** · Power Inductors · 0603

LQW18CNR39J0ZD from Murata Electronics, 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 | Murata Electronics |
| 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 |  | -5 |  | 5 | % | Tolerance J: ±5% (LQW18CNR39J0ZD) | 1 |
| Inductance change rate (AEC-Q200 Table A) |  | -5 |  | 5 | % | After 1000 h at 125°C high temperature exposure; Table A | 3 |
| Self-resonant frequency | SRF | 570 |  |  | MHz |  | 1 |
| DC resistance |  |  |  | 0.28 | Ω |  | 1 |
| Rated current |  |  |  | 620 | mA | Derated with operating temperature (footnote *1) | 1 |
| Product temperature rise at rated current |  |  |  | 40 | °C | Apply rated current specified in chapter 3 | 2 |
| ESD withstand (ESD rank 5A) |  | 8 |  |  | kV | ESD rank 5A per AEC-Q200-002 | 1 |
| Operating temperature range |  | -40 |  | 125 | °C |  | 1 |
| Storage temperature range |  | -40 |  | 125 | °C |  | 1 |
| Limit soldering profile peak temperature |  |  |  | 260 | °C | Limit profile: 260°C/10 s max; 2 reflow cycles | 6 |
| Standard soldering peak temperature |  | -3 | 245 | 3 | °C | Standard profile, reflow; printed as 245°C±3°C | 6 |
| Nominal inductance | L |  | 390 |  | nH | Measuring frequency 10 MHz | 1 |

## CAD (KiCad official)

- Symbol: `LQW18CNR39J0ZD`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `lqw18cnr39j0zd-etched.step` / `lqw18cnr39j0zd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lqw18cnr39j0zd.step` / `lqw18cnr39j0zd.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Murata Electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590328124593233920) (10 pp, sha256 `392dacd9d3e72445`, 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/lqw18cnr39j0zd-datasheet.pdf)