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LQH43MN681K03L

Public Made by Adom

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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.

componentinductors, coils, chokeslqh43mn681k03lfactory-2.0.0extractor-text
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LQH43MN681K03L

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lqh43mn681k03l.step / lqh43mn681k03l.glb are 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, 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