Founded in 1981, TDK U.S.A. Corporation (TUC) is headquartered in Garden City, New York, USA. TDK Corporation of America (TCA) is the sales arm located in California, USA. It is a part of TDK group (est. 1935).It manufactures a wide range of electronic components such as data storage media and systems, optical storage media, anechoic chambers and wireless RF components.

TDK products can be categorized as follows:

• Ceramic Capacitors
• EMC Components
• Inductors
• Transformers
• Ferrites
• Noise Suppressing Sheets / Magnetic Sheets
• Radio Wave Absorbers / Anechoic Chambers
• Sensors / Actuators
• Piezoelectric Products / Resonators / Sounding Bodies
• Thermal Print Heads
• OLED
• RF Components
• Magnets
• Power Supplies
• (TDK-Lambda)
• FA Systems
• Board Mount Power Products (TII)
• LTCC Technology
• EPCOS

It offers the following RF components:

• Phase shifter/delay lines
• Directional coupler
• Antenna
• Balun
• Bandpass Filter
• Low pass filter
• Diplexer
• RF and Microwave Connectors
• RF and Wireless Chips
• RF Modules

Please visit their website for more information about their products.