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tdk corp (6762) Details

TDK Corporation engages in the manufacture and sale of electronic components worldwide. The company’s Passive Components segment offers saw filters for processing radio waves, thin film common mode filters that are used in high speed data communications for reducing noise; and multi layer ceramic chip capacitors, which are used in hybrid and other electric vehicles, as well as various electronic equipment for storing electricity. Its Magnetic Application Products segment provides neodymium magnets that are used in hybrid electric vehicles and electric vehicles, and wind power generation turbines; power supplies for LED equipment that converts AC to DC; and magnets heads that are used in hard disk drives for recording data. The company’s Applied Film Products segment offers lithium-ion polymer batteries and other products that include rechargeable batteries for small mobile equipment, which are used for storing electricity. Its Other segment provides flip-chip mounters, which are devices that automatically mount and join integrated circuits on a circuit board. The company’s products also include ferrites, transformers, noise suppression sheets/magnetic sheets, anechoic chambers/radio wave absorbers, thermal print head products, RF components/SAW components and modules, FA systems, ITO transparent conductive films/hard coat films, aluminum electrolyte capacitors, EMC components, inductors, sensors/actuators, piezo electric products/buzzers, and protection devices, as well as flash memory controllers/compact flash cards/solid state drives. Its products are primarily used in mobile phones, PCs, electric household appliances, OA equipment, and automobiles, as well as industrial and medical equipment. The company was formerly known as Tokyo Denki Kagaku Kogyo K.K. and changed its name to TDK Corporation in 1983. TDK Corporation was founded in 1935 and is headquartered in Tokyo, Japan.

79,863 Employees
Last Reported Date: 06/27/13
Founded in 1935

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tdk corp (6762) Key Developments

TDK Corp. Develops New Multilayer Diplexer for WLAN in Mobile Devices

TDK Corp. has developed a new multilayer diplexer in case size IEC 1005 for the implementation of 2.4GHz/5GHz band WLAN in smartphones and other mobile devices. With its miniature dimensions of only 1.0 mm x 0.5 mm x 0.4 mm the DPX105950DT-6010B1 diplexer is the smaller in the industry. Thus, the volume of the new component is more than 60% smaller than existing 1608 diplexers. In spite of the significant size reduction, the new diplexer provides equal or even better insertion loss and attenuation performance. For example, the maximum low band insertion loss at 2.4 to 2.5 GHz is just 0.5 dB, while the high band attenuation in the same frequency range is at least 25 dB. Mass production of the new diplexer has started in February 2014. Diplexers are electronic components used in the antenna input/output section to divide or combine two different frequency bands. The new product features a combination of layers with different dielectric constants, which are produced using TDK's co-firing technology. TDK was able to further miniaturize its diplexer by using even thinner ceramic layers and finer conductor lines. The product is rated for an operating temperature of -40°C to +85°C and is suitable for use in the Bluetooth and WLAN circuitry in mobile devices.

TDK Unveils New LCL Filters for Recuperative Frequency Converter Systems

TDK Corporation has unveiled a new series of EPCOS LCL filters for recuperative frequency converter systems. These high-performance filters consist of a power choke, a capacitor bank with damping resistors and a robust choke. The corresponding filter circuits attenuate the clock frequencies so greatly that the IEC /TS 62578 recommendations for EMI emissions between 9 kHz and 150 kHz can be satisfied. Moreover, in combination with a recuperative frequency converter system, the LCL filters can significantly reduce the line-side harmonics to less than 5%. The new LCL filters are designed for rated currents of 16 A, 66 A, 200 A, and 400 A at a rated voltage of 520 V. The two smaller versions (16 A and 66 A) are accommodated on a mounting plate for ease of use. The larger versions (200 A and 400 A) consist of two units: a separate storage choke and a mounting plate with power choke and capacitor bank. The filters are designed for clock frequencies of 7 kHz to 16 kHz for the feedback module and 4 kHz to 16 kHz for the motor-side frequency converter module. In addition, they are designed for a maximum motor lead length of 150 m or 6 axles and a maximum motor frequency of 100 Hz. Damping resistors integrated in the module prevent the development of natural oscillations. The filters are designed as open modules with convection cooling to protection class IP 00 (corresponding to IEC 60529 2001). Compared with single power chokes, LCL filters are characterized by a significantly improved reduction of harmonics as well as of the voltage and current distortions with respect to the power line. Moreover, the LCL filters have a lower voltage drop and are more compact and lightweight than equivalent power chokes. The filters can be adapted to customer requirements if desired.

TDK Corp. Announces Executive Changes

TDK Corporation announced the following personnel changes decided by resolution of the Board of Directors at a meeting was held on Feb. 28, 2014. Changes in deputy general manegers’ position as of March 1, 2014 - New Position - Former Position - Taisuke Ahiko - Deputy General Manager of Ceramic Capacitors Business Group - Senior Manager of Ceramic Capacitors Business Group - Atsushi Iijima - Deputy General Manager of Systems, Acoustics, Waves, Business Group - Senior Manager of Thin Film &Packaging Development Department of Production Engineering Group of Manufacturing HQ - Otto Graf - Deputy General Manager of Systems, Acoustics, Waves, Business Group - EPCOS AG COO of Systems, Acoustics, Waves, Business Group.


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Valuation 6762 Industry Range
Price/Earnings 53.2x
Price/Sales 0.6x
Price/Book 0.9x
Price/Cash Flow 91.4x
TEV/Sales 0.0x

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