MNR04M0ABJ272 is a through hole, common mode choke manufactured by ROHM Semiconductor. It has an inductance value of 4.7 mH, an operating temperature range of -55°C to +125°C, and a rated current of 1.0 A. The part is made up of cores, coils and a case, and is a general-purpose component mainly used to suppress common mode noise in lines. It is a component commonly used in power sources, power supplies, DC-DC converters, AC-DC converters, LCD inverters, and other electronic equipment.