# LQM18PZ2R2MDHD

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

LQM18PZ2R2MDHD 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 |  | -20 |  | 20 | % | Tolerance code M (±20) per part table | 1 |
| DC resistance |  |  |  | 0.47 | Ω | Chapter 3 rating, max | 1 |
| Self-resonant frequency |  | 80 |  |  | MHz | Chapter 3 rating, min | 1 |
| Rated current (based on inductance change) |  |  |  | 250 | mA | Inductance within ±30% of initial value when rated current applied | 1 |
| Rated current (based on temperature rise, ambient 85°C) |  |  |  | 650 | mA | Temperature rise limited to 40°C max; ambient 85°C | 1 |
| Rated current (based on temperature rise, ambient 125°C) |  |  |  | 450 | mA | Temperature rise limited to 40°C max; ambient 125°C | 1 |
| Temperature rise at rated current |  |  |  | 40 | °C | Self-generated heat when rated current applied | 1 |
| Inductance change at rated current |  | -30 |  | 30 | % | When rated current is applied | 1 |
| Operating temperature range |  | -55 |  | 125 | °C |  | 1 |
| Storage temperature range |  | -55 |  | 125 | °C |  | 1 |
| Inductance change after high temperature exposure |  | -20 |  | 20 | % | Inductance at 1 MHz; 1000 h at 125°C, unpowered | 2 |
| Inductance change after biased humidity |  | -50 |  | 50 | % | Inductance at 1 MHz; 1000 h at 85°C, 85% RH | 3 |
| Inductance change after operational life |  | -50 |  | 50 | % | Inductance at 1 MHz; apply 125°C 1000 h | 3 |
| Inductance change after resistance to soldering heat |  | -30 |  | 30 | % | Solder temperature 260°C±5°C, immersion 10 s | 3 |

## CAD (KiCad official)

- Symbol: `LQM18PZ2R2MDHD`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `lqm18pz2r2mdhd-etched.step` / `lqm18pz2r2mdhd-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lqm18pz2r2mdhd.step` / `lqm18pz2r2mdhd.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/8601137290767802368) (8 pp, sha256 `e963fc8400c6435d`, 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/lqm18pz2r2mdhd-datasheet.pdf)