Murata’s Combined LC type EMI Suppression Filters have High Attenuation Characteristics for Modern Devices

  • Noise Suppression Products / EMI Suppression Filters / TVS Diodes (ESD Protection Devices)

2015-01-21

Murata Manufacturing Co., Ltd.
President/Statutory Representative Director:
Tsuneo Murata

Murata announced the launch of its BNX series of surface mount, LC combined-type EMI suppression filters for the automotive, industrial electronic equipment, and healthcare markets.  The filters employ an exclusive circuit configuration combining capacitors and ferrite beads to achieve superior frequency characteristics and excellent attenuation characteristics for highly effective noise damping.
In recent years, the trend toward more sophisticated functionality in set devices has intensified the need to reduce noise levels and this has driven the demand for noise filters with improved attenuation characteristics.  In response to this market demand, Murata has developed the BNX026/27/28/29 series of EMI suppression filters that deliver high attenuation characteristics over a wider bandwidth range. 

The new series of DC line noise filters cover a wide range of frequencies, from the kilohertz to the gigahertz bands. The filters are also compatible with large currents and high voltages, making them suitable for a broad range of applications. 

Insertion loss characteristics enable high attenuation rates of 35dB or more over a wide range from 15kHz to 1GHz.  BNX filters with a current rating of 15A are ideal for power supply circuits susceptible to low-frequency-band noise, whilst parts with a voltage rating of 50V (BNX026H01 and BNX027H01) are suitable for automotive applications requiring support for high voltages. 

Murata’s BNX series of EMI filters are suitable for noise reduction on DC power lines in electronic equipment, automobiles, medical equipment, factory automation equipment, control equipment, communication equipment, digital AV equipment, and other applications.  Mass production is currently underway at plants in Japan.

무라타에 대해서

주식 회사 무라타 제작소는 기능성 세라믹을 기반으로 전자 디바이스의 연구 개발 • 생산 • 판매를 행하고 있으며, 재료부터 제품까지 일관 생산 체제를 구축하고 있습니다. 또한, 무라타 제품의 90%이상은 해외에서 판매되고 있으며, 국내외로 글로벌 회사를 전개하고 있습니다.