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Murata introduces first 15µH inductor in 0402 size for smartphones

Murata has introduced the LQW15DN series of inductors for use in communication devices such as smartphones, claiming that their 1005 size (1 × 0.5mm) makes them the smallest inductor currently on the market at a large inductance rating of 15µH.

Inductors for communications devices such as smartphones require miniaturisation of the components for multifunctionality and multimodality as well as large inductance values for booster circuits installed in RF antenna tuning circuits and Bluetooth modules.

Murata’s LQW15DN is able to achieve a maximum inductance of 15uH in the 1005 size (1 ×0.5mm) due to the company’s use of materials and design technology that enable miniaturisation and high-efficiency of the final circuit.

Specification wise, the LQWDN series inductors have an average DC resistance of 5.7Ω, an inductance test frequency of 10MHz, and a current rating of 100mA. Self-resonance is specified as 20MHz minimum and a wide operating temperature range of -40 to 85°C is provided. The part’s magnetic shield is the magnetic resin type.

The inductors are available packaged in quantities of 8000 in 180 mm diameter paper tape roll.

Neil Tyler

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