The B72207S141K111 part from TDK is an EMI suppression line filter, designed primarily for suppressing noise in DC power circuits. It has a rated current of 6 A and an insulation resistance of 100 MO. The part has two terminals, situated at opposite sides of the case for isolation in noisy environments. It offers an attenuation of up to 20 dB and a low self-inductance of 0.2 µH.