0.4×0.2×0.2mm chip beads boast impedance up to 180 Ohm at 100MHz but low DC resistance
The two new types with their respective impedance values of 150 Ω and 180 Ω at 100 MHz, feature DC resistance values of only 0.62 Ω and 0.69 Ω. This results in a significant reduction in power losses, while at the same time providing excellent noise suppression. The compact IEC 0402 components (measuring only 0.4×0.2×0.2mm) feature an impedance that is up to 20 percent higher than TDK’s existing MMZ chip beads with the same DC resistance rating. Combined with their higher rated currents of 350 mA and 300 mA compared to existing types, the new MMZ0402EUC chip beads are well suited for noise suppression in the power and signal circuits of smartphones, tablets and other mobile devices. The components can be used in a wide range of temperatures from -55 to +125°C. TDK will continue to expand the available range of impedance values in the compact lineup to meet the requirements for a broad range of mobile device designs.
TDK Corporation – www.tdk.com
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