component
LQH43MN681K03L
Public Made by Adomby adom
Murata Electronics Power Inductors, 1812. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLQH43MN681K03L
Murata Electronics · Power Inductors · 1812
LQH43MN681K03L from Murata Electronics, in a 1812. 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 | 1812 |
| 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 (code K) | L | -10 | 10 | % | 166 | ||
| Inductance | L | 680 | μH | Test frequency 1kHz | 166 | ||
| Q (min.) | Q | 40 | Q test frequency 796kHz | 166 | |||
| Max. DC resistance | DCR | 17 | Ω | 166 | |||
| Rated current | IR | 65 | mA | Self-temperature rise limited to 20°C max and inductance within ±10% of initial value when rated current is applied | 166 | ||
| S.R.F. (min.) | SRF | 2.5 | MHz | 166 | |||
| Operating temperature range | Top | -40 | 85 | °C | Operating temp. range; class of magnetic shield: no shield | 166 |
CAD (KiCad official)
- Symbol:
LQH43MN681K03L - Footprint:
Inductor_SMD:L_1812_4532Metric - 3D model: 1812 (KiCad packages3D, STEP)
- 3D model files:
lqh43mn681k03l-etched.step/lqh43mn681k03l-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lqh43mn681k03l.step/lqh43mn681k03l.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Murata Electronics datasheet (274 pp, sha256
8814cd5dd6d20065, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).