B78337A8851A003 is a TDK|EPCOS ferrite chip inductor. It has an inductance of 680µH, a Q factor of 28, and a rated current of 0.86A. It has a package size of 5x3 mm and a height of 1.75 mm. It is a general purpose application inductor, suitable for use in DC/DC converters, voltage regulators, switching power supplies, and filtering circuits.