# LQW15AN3N9B00D

**Murata Electronics** · Power Inductors · 0402

LQW15AN3N9B00D from Murata Electronics, in a 0402. 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 | First terminal of the 3.9nH ±0.1nH wire-wound chip inductor (Q 25 min., DC resistance 0.07 Ω max., SRF 10.0 GHz min., rated current 750 mA); the part is non-polarized and the terminal is soldered to a 0.50 mm land. |
| 2 | 2 | passive | Second terminal of the 3.9nH ±0.1nH wire-wound chip inductor (Q 25 min., DC resistance 0.07 Ω max., SRF 10.0 GHz min., rated current 750 mA); the part is non-polarized and the terminal is soldered to a 0.50 mm land. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 0402 |
| 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 (Tolerance B, ±0.1 nH) | L | -0.1 |  | 0.1 | nH | MPN suffix B; tolerance letter B = ±0.1nH | 1 |
| Q (min.) | Q | 25 |  |  |  | Measured at 250MHz (1.5nH-43nH range, per 6.1) | 1 |
| DC resistance (max.) | DCR |  |  | 0.07 | Ω | Measured per 6.3 (digital multimeter) | 1 |
| Self resonant frequency (min.) | SRF | 10 |  |  | GHz | Measured per 6.4 (KEYSIGHT N5230A or equivalent) | 1 |
| Rated current |  |  |  | 750 | mA | Rated current applied; see 6.5 self temperature rise | 1 |
| Self temperature rise (max.) |  |  |  | 20 | °C | Rated current applied | 6 |
| Inductance (nominal) | L |  | 3.9 |  | nH | Measured at 100MHz per 6.1 | 1 |
| Operating temperature range | Top | -55 |  | 125 | °C |  | 1 |
| Storage temperature range | Tstg | -55 |  | 125 | °C |  | 1 |
| Inductance change after resistance to soldering heat | ΔL | -5 |  | 5 | % | Solder temperature 270°C±5°C, immersion 10s±1s; measured after 24h room recovery | 7 |
| Inductance change after heat resistance test | ΔL | -5 |  | 5 | % | 125°C±2°C, 1000h; measured after 24h room recovery | 7 |
| Q change after heat resistance test | ΔQ | -20 |  | 20 | % | 125°C±2°C, 1000h; measured after 24h room recovery | 7 |

## CAD (KiCad official)

- Symbol: `LQW15AN3N9B00D`
- Footprint: `Inductor_SMD:L_0402_1005Metric`
- 3D model: 0402 (KiCad packages3D, STEP)
- 3D model files: `lqw15an3n9b00d-etched.step` / `lqw15an3n9b00d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lqw15an3n9b00d.step` / `lqw15an3n9b00d.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/8588934971986100224) (14 pp, sha256 `66a6c267b8cdd4fe`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/lqw15an3n9b00d-datasheet.pdf)