Murata Launches High-Frequency Wire Wound Chip Coils

Smyrna, GA -- Murata Electronics North America introduced a miniature high-frequency wire wound type chip coil (LQW04A series). The 03015 EIA sized coils (0.8mm X 0.4mm) were developed using advancements in mounting techniques and materials. Murata's chip coils are suitable for high-frequency circuits used in mobile devices such as cell phones and Personal Digital Assistants (PDAs).

Compared to the traditional size of EIA 0402 wire wound chip coils, the new LQW04A series reduces the mounting area by 40 percent and the height is a diminutive 0.4mm. Murata's new series features stable inductance with self-resonance frequency, as well as high Q-values at high frequencies. These characteristics were achieved by adopting a horizontally-wound structure which minimizes parasitic losses.

"Murata's unique ability to provide smaller components with improved features demonstrates our ongoing commitment to anticipate market demands," said Deryl Kimbro, product manager EMI filters and chip inductors for Murata Electronics North America. "The advancements in Murata's coil manufacturing technology, as seen in the LQW04A series, is a true testament of our research and development strength."

The LQW04A series inductance is 1.1-22nH and includes the inductance tolerance of ±0.5nH/±5%. Q values range from 55 to 75 in the GHz range. Murata's high-frequency wire wound type chip coils are currently available to order. Lead time is approximately six to eight weeks.

SOURCE: Murata Manufacturing Co., Ltd.