Founded in 1935, TDK Corporation is a leading multinational electronics company headquartered in Tokyo, Japan. The company specializes in developing passive electronic components and products for sensor, magnetic, and energy applications while fostering carbon neutrality and promoting green manufacturing. TDK works on providing customized solutions tailored to specific industries and applications and invests in R&D for emerging tech such as AI, IoT, robotics, EVs, and 5G. With partnerships including Qualcomm, Sony, and numerous automotive OEMs, TDK strengthens its technology portfolio, expands its market reach, and drives innovation.

Magnetics

TDK pioneered the commercial use of ferrite and other magnetic materials. The company's portfolio has expanded over time to include thin-film techniques, spintronics (the control of individual electrons), and multilayering of electronic components. TDK has additionally harnessed a wide range of nanotechnologies in its efforts to increase the potential of magnetics.

Passive Components

TDK's passive electronics segment comprises capacitors, inductors, EMC components, Thermistors, Varistors, and Resistors. They feature miniaturization and excellent temperature tolerance, making them suitable for high-frequency and system-in-package (SiP) solutions.

• Capacitors: Capacitor technologies include multilayer ceramic capacitors (MLCCs), aluminum electrolytic capacitors, and film capacitors.
• Inductors: TDK develops a wide range of inductors based on ferrite and metal materials such as multilayer chip inductors, power inductors, and thin-film inductors.
• EMC Components: TDK's EMC component portfolio consists of common mode filters and ferrite beads
• Thermistors and Varistors: Comprises a lineup of NTC and PTC thermistors and varistors.
• Resistors: Include chip resistors with tight tolerance and thermal stability.

Sensor Solutions

TDK offers a diverse portfolio through its core development and strategic acquisitions, especially InvenSense, Micronas, Tronics, and EPCOS. These sensors are crucial in modern applications like smartphones, wearables, smart homes, automotive systems, industrial IoT, and robotics.

Key TDK sensors include:

• Magnetic Sensors: TDK offers multiple magnetic sensing methods such as TMR (Tunnel Magnetoresistance), Hall effect, AMR, and GMR sensors.
• Motion Sensors: Includes accelerometers, gyroscopes, and IMUs (Inertial Measurement Units).
• Microphones: TDK features SmartSound microphones that deliver high SNR and ultra-low power.
• Pressure Sensors: Includes miniaturized barometric pressure sensors that offer high stability over temperature and time.
• Current Sensors: Current sensors using TMR and Hall technology for battery management systems (BMS), motor control and solar inverters.
• Humidity and Gas Sensors: TDK offers humidity and gas sensors primarily through its EPCOS and Tronics product lines, which are used in applications ranging from smart homes to industrial HVAC, automotive, and medical systems.

Innovations in Mobility

TDK develops components essential for electric vehicles and autonomous driving such as high-efficiency inductors and power modules, ADAS support sensors, battery management system (BMS) components, and high-precision MEMS motion sensors.

Key technologies

• CeraCharge: CeraCharge is TDK’s revolutionary solid-state battery technology which uses ceramic as both electrolyte and housing improving safety and longevity.
• PiezoHapt: PiezoHapt is TDK’s high-performance haptic actuator technology which is based on piezoelectric ceramics.
• ICSense: ICSense specializes in custom mixed-signal ASICs which combine analog, digital, and sensor interface designs.
• SmartEdge: SmartEdge is TDK's sensor platform with embedded AI/ML, enabling on-device analytics that collects, processes, and interprets sensor data without cloud services.

TDK Corporation stands at the forefront of innovation in electronic materials, components, and smart sensor technologies. With a strong foundation in magnetic and passive components, and a strategic focus on emerging fields like edge AI, solid-state batteries, and advanced sensing solutions, TDK is shaping the future of digital and sustainable technologies.

By leveraging decades of materials science expertise and embracing cutting-edge innovations like CeraCharge, PiezoHapt, SmartEdge, and custom ASIC design, TDK continues to empower industries ranging from consumer electronics and automotive to healthcare, industrial automation, and IoT.

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