Our Business
TDK is a comprehensive electronic components manufacturer leading the world in magnetic technology.
TDK began its trajectory by producing the world's first ferrite cores using a magnetic material called ferrite, and the company is now a large manufacturer of components.
Ferrite is a material with many advantageous properties.
Modern TDK
commands a wide range of technologies that make daily life more convenient and pleasant. Our products serve a myriad of applications—they provide critical functionality in smartphones, personal computers, electrical appliances, industrial
equipment, and automobiles.
TDK components are vital for progress in many areas.
Meanwhile, the power of magnetics continues to inform our global leadership role.
The role played by TDK components —
Unseen enablers of functionality taken for granted.
Many products that surround our daily lives rely extensively on TDK's wide palette of electronic components. But because these are used internally, they remain mostly unseen by consumers.
If your electronic devices operate as designed and make
your day more enjoyable, that means that the components in them are functioning properly.
But without these electronic components, many things that we take for granted these days might never have come about.
ICTFor the realization of an ultra-high speed,
large-capacity network society
As well as being advanced information tools with not only mobile phone but also personal computer, camera, and other functions, smartphones are also increasingly used to connect and control smart homes, cars, and factories. Because of the arrival of ultra-high speed and large-capacity telecommunications like LTE and 5G, smartphones have evolved into key devices of the IoT society, even faster and connected to all kinds of things. Moreover, 5G is going to change our whole lives, beginning with the fields of transport, medical, and logistics.
TDK’s products are essential to the new ultra-high speed, large-capacity network society. Our electronic components and sensors utilizing TDK’s proprietary core technologies further support smartphone evolution. Our high reliability electronic components, such as RF components and products for power supply will contribute to the development of such telecommunications infrastructure as base stations and servers, the foundations of 5G.
AutomotiveSupporting the safe and environment-friendly "connected cars".
The world of automotive electronics keeps climbing to new levels of safety, comfort, and environmental compatibility. Limiting the volume of exhaust gas from automobiles is key to solving the serious problem of carbon dioxide emissions. This necessitates the rapid electrification, such as xEVs (hybrid, plug-in hybrid, and battery electric vehicles).
In addition, the “connected car,” which is constantly linked to the Internet, will enable the realization of advanced driver assistance systems (ADAS) and autonomous driving to further improve safety, accuracy, and comfort. TDK provides a wide range of electronic components and devices to assist the electrification and connectivity of automobiles.
TDK’s highly reliable products, ideal for automotive use, will support both the safety of automobiles and environmental countermeasures.
Industrial & EnergyToward a thoroughly energy-conscious society, TDK contributes to the utilization of renewable energies.
TDK supports the active utilization of renewable energy as society becomes more energy-conscious.
Especially in Europe, the use of renewable energy to reduce environmental impact is progressing, and large scale offshore wind farms have recently
become a trend.
TDK supplies power film capacitors and large neodymium magnets that boost the efficiency of wind power generation.
Supporting higher efficiency in transportation infrastructures.
Rail-based transportation is currently being reappraised worldwide for its energy efficiency and low carbon emissions. As with all transportation modes, railways require high levels of infrastructure reliability and safety. TDK’s products meet these needs with rugged, high-efficiency converters, power modules, and similar products that meet the specification requirements of various countries.
Boosting the progress of industrial robots.
The use of robots in all areas of industry, including manufacturing and services, has increased dramatically over the last several years. TDK will continue to play an important role in increasing robot adoption by boosting the efficiency and accuracy of robots. TDK supplies magnets for electric motors and different types of sensors that make these robots smarter while reducing energy consumption.
TDK makes the amazing commonplace.
TDK products play a role in everyday life as well as in society at large. At this very moment, they make possible many advanced functions and convenient features in mobile devices that people around the world have come to take for granted.
- Hi-Q inductors
- Indispensible for the send/receive systems of smartphones, these inductors provide lossless handling of high-frequency signals, combining a high Q factor with compact dimensions. Major applications include high-frequency circuits and modules in smartphones and similar, contributing to higher circuit efficiency.
- Thin-film power inductors
- The power supply circuitry for example of smartphones and automotive circuits requires highly compact power inductors. These products contribute to improved power conversion efficiency.
- Chip varistors
- These components serve to protect circuits and prevent malfunction and damage due to static electricity discharges or other surge currents.
- Thin-film capacitors
- Low profile decoupling capacitors designed for integration in the substrate of semiconductor packages. The products enable support for higher frequencies and higher drive speed, and contribute to size reductions and power savings through lower drive voltage.
- Chip NTC thermistors
- NTC thermistors have a negative temperature coefficient, which means that their resistance decreases as the temperature increases. They are widely used as temperature sensors.
- Semiconductor Embedded Substrate (SESUB)
- This technology allows embedding integrated circuit chips directly in the resin substrate. A SESUB module with a three-dimensional arrangement of components offers enormous space saving advantages while realizing high performance.
- Thin-film common mode filters
- Chip components used for noise attenuation in high-speed interfaces. Thin-film technology was leveraged to achieve tiny dimensions and ultra low profile, thereby reducing circuit board footprint requirements and enhancing design flexibility.
- Multilayer ceramic chip capacitors
- These leadless chip type surface-mount capacitors are used in many electronic devices of daily life for noise reduction and signal processing tasks.
- 3-terminal feed-through filters
- Noise countermeasure components highly suitable for the higher frequencies and higher integration necessary in advanced digital devices. The internal electrode is sandwiched between the ground electrodes in a multilayer configuration, to realize drastic ESL reduction.
- Lens actuators for camera modules
- Compact actuators realize high-speed auto-focus and image stabilizing functions for cameras integrated in smartphones and other devices, contributing to high performance.
- SMA-OIS
- The product enables high-performance image stabilizing functions in camera modules of smartphones and similar. Because no magnetic materials are used, there is no risk of magnetic interference. Compared to conventional VCM type stabilizers, the advantages are smaller size, lower power consumption and reduced costs.
- Sensors／MEMS microphones, Atmospheric pressure sensors
- Sophisticated MEMS (Micro Electro Mechanical Systems) technology supports the creation of microphones with excellent performance, atmospheric pressure sensors that supply highly accurate position information, and other advanced components.
- High-frequency components(Band-pass filters／Diplexers／Triplexers／Baluns)
- Indispensible for the send/receive systems of smartphones, these products selectively extract only the required signal and also serve for frequency control and other functions, contributing to improved communication performance.
- Lithium polymer batteries
- This type of rechargable battery is widely used in smartphones and other mobile devices. It provides excellent performance and is ideal for low profile designs.
- Isolators
- In base stations for mobile phone services and similar, radio waves picked up by the antenna have to be smoothly sent to the circuitry while preventing a backward flow. Isolators absorb unwanted reflections by means of a resistor and output the signal in one direction only.
- Wireless power transfer coil units
- These sending and receiving coil units are compatible with various wireless power transfer standards. Charging can be performed by simply placing the handheld device on a cradle.
- High-reliability electronic components(Common mode filters / Power inductors / Multilayer ceramic chip capacitors / Varistors / 3-terminal feed-througfh filters)
- As cars rely more and more on electric and electronic systems, noise emitted by automotive components has the potential of disrupting operation and causing serious and even fatal accidents. TDK produces noise countermeasure components and other highly dependable electronic components that ensure the safety of automotive LANs and ECUs (electronic control units).
- CeraLink™
- The CeraLink™ product which is marketed by TDK under the EPCOS brand name are ceramic capacitors using a PLZT (lead zirconate titanate) type material as dielectric, making them ideal for DC link circuit applications. They combine high capacitance with low ESL and ESR values, thereby enabling the realization of space-saving inverters with high efficiency and high reliability.
- Film capacitors
- Characterized by high reliability and long service life, these capacitors are used in power supply circuits for small automotive motors and electric vehicles. They are used for RFI(Radio Frequency Interference) countermeasures of small motors and so on.
- Aluminum electrolytic capacitors
- This type of capacitor uses an aluminum oxide film as dielectric, enabling high capacity ratings. It is used in the power supply circuits of ECUs in the engine compartment of automobiles and others. Types with particularly high vibration resistance are also available.
- Disc type capacitors with leads(Medium to high voltage ceramic capacitors)
- Features leads connected to a disc-shaped single-layer ceramic basis material and a halogen-free resin coating. High reliability has been achieved by the use of TDK's original ceramic dielectric material matched to the copper electrode. Besides automotive applications, the capacitors are also used in medical equipment.
- Multilayer type leaded capacitors
- By equipping multilayer ceramic chip capacitors with leads and applying a halogen-free resin insulation coating, product reliability has been greatly improved to meet the stringent demands of the automotive environment. Used for example to counteract capacitor ringing, board flexing, and DC motor noise.
- Ring varistors
- Ring shaped varistors are used in a wide range of applications from micro motor noise absorption to the protection of circuit contacts. TDK has greatly improved the electrical and physical performance of these varistors.
- High-frequency components(Band-pass filters／Diplexers／Triplexers／Baluns)
- High-frequency components such as high-Q inductors, multilayer band-pass filters, and LTCC antennas for applications support telematics and car connectivity.
- Electromagnetic buzzers
- TDK products offer high reliability and are mainly designed for automotive applications. The pin terminals allow direct mounting on printed circuit boards The lineup includes compact types, wideband types, and products compatible with reflow soldering.
- 3D transponder coils
- 3D transponder coils combine high-sensitivity coils for three axes (X, Y, Z) in a single compact unit, making it possible to realize convenient and reliable keyless entry systems.
- CeraPad™
- CeraPad™ marketed by TDK under the EPCOS brand name is an ultra-thin substrate with integrated ESD protection, suitable for LED packages. By eliminating the need for discrete ESD parts, package sizes can be kept small and the parts count as well as required man hours for mounting can be kept low. This makes the product particularly suited for LED products where the number of LEDs per unit keeps rising and higher mounting densities are required.
- Magnetic sensors
- The application of advanced HDD head technology has resulted in TMR sensors that provide high output, high accuracy, and high stability in a compact package. The new sensors provide very high accuracy while being able to withstand the extreme temperature environment that exists in a car. Hall sensors made by TDK-Micronas are used to provide position data from the transmission and many other parts of the vehicle.
- Transformers
- Transformers are key components for applications where voltage has to be converted. IGBT transformers using high-performance ferrite are ideal for automotive applications. The TDK lineup also includes transformers for battery management systems (BMS).
- Onboard chargers
- These products enable use of the main battery in a PHEV or BEV for efficient charging. Optimized design has resulted in a high-capacity, high-efficiency battery charger fulfilling automotive-grade quality requirements.
- Automotive DC-DC converter for xEVs
- The product down-converts the high voltage of the xEV's main battery to the level required by automotive electronic equipment. It is used by many xEV manufacturers both in Japan and overseas.
- Electric motor magnets for automotive use
- The drive motors of hybrid and electric vehicles use TDK's high-performance neodymium magnets that contribute significantly to better fuel economy. The many small electric motors that are also found in cars, such as for windshield wipers and power windows, use numerous industry-leading ferrite magnets from TDK.
- Neodymium magnets for wind power generation
- TDK has developed large high-performance neodymium magnets designed for the rotors of gearless wind power generators. Highly sophisticated bonding technology enables the formation of specialized modules which are increasingly used also in high-power installations for 5 megawatts and above.
- High-capacity lithium polymer batteries
- These rechargable batteries are characterized by high energy density. Their use is expanding also for storing power generated by solar or wind power systems.
- Aluminum electrolytic capacitors
- These capacitor products feature high ripple current tolerance, long-term reliability and large capacitance. They are widely used for smoothing applications in the power supplies of frequency converters, wind power generator converters, solar power inverters, special power supplies and UPS (uninterruptible power supply) units, medical equipment, etc.
- Power film capacitors
- These capacitors use various kinds of plastic film as a dielectric. They are characterized by high reliability and long service life, essential qualities for use in power conditioners and inverters for solar power generation systems.
- Bidirectional DC-DC converters
- TDK power supplies are optimal for leveling the electric power generated by renewable energy power generation systems, as well as for power storage systems such as used in emergency power supplies for deploying power in case of a disaster. A single unit can handle both up conversion and down conversion.
- Power line EMC filters
- These components are designed for connection on the primary side of electronic devices and serve mainly to implement EMC countermeasures.
The productlineup comprises various types ranging from small to large sizes that can be used in wind power and solar power generation systems as well as industrial equipment in general.
- Ultra high voltage ceramic capacitors
- These special types of ceramic capacitors are designed for power transmission and substation equipment, high voltage power supply circuits, etc.
They are widely used for switches in power distribution networks, circuit breakers of transformer substations, as well as in medical and industrial X-ray imaging devices.
- Power film capacitors
- Because of the high currents required in railway carriages, capacitors are large and heavy. Relying on advanced materials technology and thin film technology, TDK has successfully introduced smaller and lighter power film capacitors that nevertheless provide excellent reliability.
- DC-DC converters
- These switching power supplies convert the DC voltage (for example 12 V) of a bus line to a required DC voltage (such as 3 V). Advanced circuit design technology and high density mounting technology result in small dimensions and ensure very high reliability and long service life.
- Industrial-grade CF／CFast／SSD
- TDK supplies solid state drives (SSD) with proprietary memory control chips and CompactFlash cards for industrial use. These are found for example in communication base stations, digital signage for trains and other traffic control systems, providing support for the age of IoT.
- Disc varistors
- These varistors use zinc oxide elements that change in resistance according the applied voltage. This creates a shorting path that becomes active when excessive voltage is present, thereby protecting electronic equipment. Applications include surge protection for commercial power supply lines, switching noise suppression and more. Energy varistors are also used in power transmission equipment, transformer substations, railway systems, etc.
- Magnets for motors
- Electric motors are the "muscles" that enable movement of robots. TDK's vast experience with magnetic materials gained through many years of experience in this field enables us to produce highly efficient neodymium magnets and ferrite magnets. These in turn result in more compact and lightweight high-performance motors that help to conserve energy.
- AC-DC converters
- Switching power supplies serve to produce stable, rectified and controlled DC from a commercial power source. Notable features include small size, low weight, and high efficiency. TDK products are widely used as power supplies in factory and office automation equipment, IT equipment, and many other types of electronic devices.
- Magnetic heads for HDDs
- These are the components used in hard disk drives to write and read information. They are manufactured using highly sophisticated thin-film process technology. Data storage applications also include computers and Blu-ray recorders with integrated hard disk drives.
- Etching
- We perform etching of thin stainless steel plates with a thickness from 400 μm thickness to a minimum of 15 μm thickness, using photochemical etching technology. Partial etching and various other shaping processes can also be applied. Applications include precision spring parts and sealing plates and blades for medical equipment.
- Multilayer piezo actuators
- These actuators employ a structure in which piezoelectric ceramics and internal electrodes are alternately laminated, causing it to expand and contract when a voltage is applied. Usage examples include ink discharge control in inkjet printer heads, auto focus mechanisms in digital cameras and mobile phone cameras, etc.
- Ag-Stacked
- This is an Ag-Stacked film on which a thin transparent conductive Ag alloy layer is deposited on a film substrate. Possible uses include flexible displays and lighting, transparent electrodes of wearable devices, light control windows (smart windows), OPV (Organic Photovoltaics), and indoor base stations, contributing to the conservation and creation of energy.
- Current transformer
- This is a one-touch clamp type current sensor used for the distribution board of installations such as Home Energy Management Systems (HEMS), Building Energy Management Systems (BEMS), and Community Energy Management Systems (CEMS).
- Ag-Stacked
- This is an Ag-Stacked film on which a thin transparent conductive Ag alloy layer is deposited on a film substrate. Possible uses include flexible displays and lighting, transparent electrodes of wearable devices, light control windows (smart windows), OPV (Organic Photovoltaics), and indoor base stations, contributing to the conservation and creation of energy.
- Piezoelectric buzzers
- This external excitation oscillation type buzzer uses a unimorph piezoelectric element. It produces a loud volume in spite of its small size and low voltage requirements, and is designed for easy mounting on a circuit. Custom types optimized for auto inserters as well as moisture proof types and products equipped with double-sided tape are available.
