TDK develops the industry's highest level of impedance peak chip magnetic beads? Mass production

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TDK Co., Ltd. (President: Sakamoto Kenhiro) introduced a new line of magnetic beads, the MMZ1005-V series, specifically designed for signal transmission circuits. These beads measure 1.0 × 0.5 × 0.5 mm and offer the highest level of resistance in the industry. Production started in September 2013.

As mobile communication devices, especially smartphones, continue to integrate advanced technologies like WiFi and LTE, the operating frequencies are rising. This means that passive components, including modules, must be capable of handling noise at frequencies above 2 GHz effectively.

The MMZ1005-V series achieves high impedance by utilizing a novel magnetic material that extends the peak impedance frequency into the 2.5 GHz range. The typical impedance values range from 2.5 GHz to 3,000 Ω, which is approximately 2.5 times higher than the previous Gigaspira beads (MMZ1005-E series). Despite this high impedance at high frequencies, the product still performs efficiently in noise suppression for mobile communication systems.

Alongside the standard MMZ1005 series and the wide-bandwidth Gigaspira MMZ1005-E series, this new product expands TDK’s portfolio of noise suppression components for information transmission circuits, offering more options for engineers and designers.

Main Applications:

These magnetic beads are ideal for use in mobile communication devices such as smartphones and tablet PCs, which support LTE and wireless LAN (IEEE 802.11b/n) across various regions.

Key Features:

They extend the impedance peak frequency up to the 2.5 GHz band, making them suitable for high-frequency noise suppression. This makes them an excellent choice for modern communication systems that require reliable performance at elevated frequencies.

Main Specifications:

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