TDK Corp. engages in the manufacture, distribution, and sale of electronic components. It operates through the following business segments: Passive Components, Magnetic Application Products, and Others. The Passive Components segment offers ceramic capacitors, aluminum electrolytic capacitors, film capacitors, inductive devices, high-frequency components, piezoelectric material components, circuit protection devices, and sensors. The Magnetic Application Products segment offers recording devices, power supplies, magnets, and recording media. The Others segment offers energy devices, flash memory application devices, displays, and mechatronics. The company was founded on December 7, 1935 and is headquartered in Tokyo, Japan.