10 µH wirewound in a 1812 footprint
The Murata LQH43MN100J03L is a drum-core wirewound inductor in the LQH43 series, delivering 10 µH ±5% in an unshielded 1812 (4532 Metric) SMD package.
Self-resonant frequency and Q factor
Self-resonant frequency is 23 MHz — above this point the inductor behaves capacitively, so the part is suited for DC-DC converter and filtering applications where the switching fundamental stays below roughly 5 MHz to leave margin. Q factor is 35 at 1 MHz, measured at the test frequency — this is a moderate Q for a ferrite-core wirewound in this inductance range, adequate for general-purpose filtering and bias-tee circuits where low loss is not the primary constraint.