# LQM18PNR47NC0L

**Murata Electronics** · Inductors (SMD) · 0603

LQM18PNR47NC0L 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 |
|---|---|---|---|---|---|---|---|
| SRF (self-resonant frequency), minimum |  | 50 |  |  | MHz |  | 1 |
| DC resistance tolerance |  | -25 |  | 25 | % |  | 1 |
| Inductance change after heat resistance test |  | -20 |  | 20 | % | Heat resistance: 125°C±2°C, 1000 h (+48 h, -0 h) | 3 |
| Inductance change after cold resistance test |  | -20 |  | 20 | % | Cold resistance: -55°C±2°C, 1000 h (+48 h, -0 h) | 3 |
| Inductance change after humidity test |  | -20 |  | 20 | % | Humidity: 70°C±2°C, 90% (RH) to 95% (RH), 1000 h (+48 h, -0 h) | 3 |
| Inductance change after temperature cycle test |  | -30 |  | 30 | % | Temperature cycle: 100 cycles between -55°C and +125°C | 3 |
| Inductance change after resistance to soldering heat test |  | -30 |  | 30 | % | Solder temperature 270°C±5°C, immersion time 10 s±1 s | 3 |
| Operating temperature range |  | -55 |  | 125 | °C |  | 1 |
| Storage temperature range |  | -55 |  | 125 | °C |  | 1 |
| Product temperature rise at rated current |  |  |  | 40 | °C | Apply rated current from chapter 3 (7.4) | 2 |
| Nominal inductance | L |  | 0.47 |  | μH | Measuring frequency 1 MHz, 1 mA (7.1) | 1 |
| Inductance tolerance |  | -30 |  | 30 | % |  | 1 |
| DC resistance |  |  | 0.15 |  | Ω |  | 1 |

## CAD (KiCad official)

- Symbol: `LQM18PNR47NC0L`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `lqm18pnr47nc0l-etched.step` / `lqm18pnr47nc0l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lqm18pnr47nc0l.step` / `lqm18pnr47nc0l.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/8589011577962450944) (8 pp, sha256 `2b7f8c6535b9da23`, 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/lqm18pnr47nc0l-datasheet.pdf)