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Murata Electronics LQH43NH2R7J03L — Inductors & Chokes

Murata LQH43NH2R7J03L Drum Core Inductor, 2.7 µH, 950 mA

MPNLQH43NH2R7J03L
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Murata Electronics LQH43 series, Drum Core Wirewound Inductor, LQH43NH2R7J03L, 2.7 µH, ±5%, 950 mA, 63.6 mOhm DCR, 1812 (4532 Metric), AEC-Q200.

$0.6100Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

LQH43NH2R7J03L specifications
ParameterValue
TypeDrum Core, Wirewound
SeriesLQH43
MountingSurface Mount
Current rating950 mA
Frequency - self resonant53MHz
Inductance frequency - test1 MHz
Operating temperature-40°C ~ 125°C
Material - coreFerrite
Size (Dimension)0.177\" L x 0.126\" W (4.50mm x 3.20mm)
Height - seated0.110\" (2.80mm)
PackageTape & Reel (TR) Cut Tape (CT)
RatingsAEC-Q200
Q @ freq20 @ 1MHz
ShieldingUnshielded
Tolerance±5%
Inductance2.7 µH
Case1812 (4532 Metric)
DC resistance63.6mOhm Max

Product details

1812 footprint, AEC-Q200 qualified

The LQH43NH2R7J03L is a Murata drum-core wirewound inductor in the 1812 (4532 Metric) surface-mount package, part of the LQH43 series. It delivers 2.7 µH inductance with ±5% tolerance, rated for 950 mA continuous current.

DC resistance and self-resonant ceiling

Maximum DC resistance is 63.6 mOhm. At 950 mA the I²R loss is about 57 mW — negligible for the 1812 body but worth checking against the board's local thermal budget if the inductor sits near a hot regulator. Self-resonant frequency is 53 MHz, well above the 1 MHz test frequency. The Q factor is 20 at 1 MHz — typical for a ferrite-core wirewound in this inductance range. For a DC-DC converter switching at 2-4 MHz, the inductor's impedance stays inductive up to about 10× the switching fundamental.

Frequently asked questions

What is the inductance and current rating of LQH43NH2R7J03L?

Inductance is 2.7 µH with ±5% tolerance. The continuous current rating is 950 mA, with a maximum DC resistance of 63.6 mOhm.