April 26, 2018

Overvoltage protection: New data book for SIOV metal oxide varistors

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TDK Corporation presents the fully revised data book for EPCOS SIOV metal oxide varistors for overvoltage protection. In addition to the extended portfolio of leaded disk varistors, the data book contains the new SNF types with an extended temperature range of between
-40 °C and +125 °C. AEC-Q200-qualified automotive types of these varistors are now also available. The T14 and T20 ThermoFuse™ varistors are another highlight with their integrated thermal fuses that isolate the varistors from the grid in the event of an overload. By means of an additional monitor pin, the status of the varistors can be detected and signaled, for example, by means of an LED. In addition, the data book features the extensive range of block and strap varistors for power electronics and power engineering, as well as SMD versions.

The data book also provides detailed technical descriptions, and is therefore a compre­hen­sive reference work to assist design engineers in the selection of the appropriate varistors.
The 405-page data book is available in English and can be ordered with the ordering code EPC:62026-7600 under www.epcos.com/db_siov

Further information on the products can be found under  www.epcos.com/protection_voltage


About TDK Corporation

TDK Corporation is a leading electronics company based in Tokyo, Japan. It was established in 1935 to commercialize ferrite, a key material in electronic and magnetic products. TDK's portfolio includes passive components, such as ceramic, aluminum electrolytic and film capacitors, ferrites and inductors, high-frequency products, and piezo and protection components, as well as sensors and sensor systems and power supplies. These products are marketed under the product brands TDK, EPCOS, InvenSense, Micronas, Tronics and TDK-Lambda. TDK's further main product groups include magnetic application products, energy devices, and flash memory application devices. TDK focuses on demanding markets in the areas of information and communication technology and automotive, industrial and consumer electronics. The company has a network of design and manufacturing locations and sales offices in Asia, Europe, and in North and South America. In fiscal 2017, TDK posted total sales of USD 10.5 billion and employed about 100,000 people worldwide.