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Murata's latest series of chip inductors replaces wire-wound inductors to reduce size and cost of DC-DC power supplies

3rd June 2010

Murata Electronics (UK) Ltd.

ES Admin

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Datasheet

Murata's latest series of chip inductor is designed to replace wound inductors in DC-DC converter applications, reducing the footprint of power supply designs by replacing larger inductors without compromising performance. The LQH6PP_43 series can also help to reduce cost, since chip inductors' simple structure means they can be constructed more cost efficiently than traditional wire-wound power inductors, leading to reduced bill of materials cost for power supplies.

Designed especially for the miniaturisation of DC-DC converters in LCD TV and set top box applications, the LQH6PP_43 series features compact low-profile 2424 size casing - measuring just 6.0 by 6.0 by 4.3mm. The parts are magnetically shielded by magnetic resin, minimising any possible magnetic interference.

The LQH6PP_43 series' low DC resistance and high rated current contribute to the efficiency of the power supply circuit. The series ranges from a 1.0µH model with DC resistance 0.009?, to a 100µH model, with DC resistance 0.436?. Allowable DC current, based on inductance change within 30% of nominal, is 7.50A (for 1.0µH part) to 0.92A (for 100µH part).