The 56T300C from Murata is a Current Sensing Transformer that is designed to monitor AC currents. This transformer has a primary current of 10 A and an inductance of 160 mH (at 10 kHz). It has a secondary DC resistance of 5.73 - 8.59 ohms. This RoHS-compliant transformer is available in a through-hole package that measures 20.19 x 16.79 x 8.89 mm and is ideal for high-frequency current sensing such as switched-mode power supplies, motor control, and electronic lighting ballasts applications.