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Date: 19-02-14

0402 surface mount inductor offer Q factor of 20 at 1.0 GHz

TDK is offering 0402 size surface mount SMD inductor of size measuring 0.44 mm x 0.24 mm x 0.24 mm with a high Q factor of 20 at 1.0 GHz and an inductance of 0.2 nH. This value is more than 30 percent higher than that of TDK's existing MLG0402Q series. The achievement of such a high Q factor in extremely compact package was made possible by the use of TDK's proprietary dielectric materials technology and an internal electrode cross-section design with a high aspect ratio, combined with an optimized L-shaped terminal layout. The new 0402 components have a volume that is 70 percent smaller and a footprint that is 53 percent smaller than the MHQ0603P series (0.65 mm x 0.35 mm x 0.35 mm), the smallest MHQ-P high Q product to date.

Thanks to its miniature size and high Q, the new multilayer inductors are designed to make RF circuits in multifunctional mobile devices such as smartphones and tablets even more efficient. The MHQ0402P series joins TDK’s existing MHQ0603P and MHQ1005P (1.0 mm x 0.6 mm x 0.5 mm) high Q series to form a versatile lineup of solutions for a very wide range of applications.

Main applications
Smartphones, tablets, Bluetooth and WLAN devices
RF circuits and modules for mobile communication devices, including PAs, VCOs, and front-end modules

Main features and benefits
Inductance [nH]: 0.2 to 33.0
Q factor typ.: 14 to 30 (at 1.8 GHz)
Self-resonant frequency [GHz] typ.: 2.2 to 18.7
DC resistance [Ω] typ.: 0.02 to 2.48
Rated current [mA] max.: 130 to 320

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