ROHM Semiconductor Introduces SiC Schottky Barrier Diodes Featuring the Industry's Lowest VF 1
Reduces power dissipation in PV power conditioners, industrial equipment, and servers
In recent years SiC has emerged as the successor to silicon for use as a semiconductor material in next-generation devices, particularly in the power electronics sector (i.e. industrial equipment, solar cells, electric vehicles, railways), due to its lower power conversion losses and superior material properties. ROHM has successfully launched mass production of SiC SBDs and MOSFETs in 2010, followed by the industry’s first mass production of ‘Full SiC’ power modules in March 2012. However, although SiC SBDs are now commonly mass-produced on a global scale, their forward voltage remains at around 1.5V, hindering energy conservation efforts. Further reductions in VF are required to minimize power dissipation.
Reducing the forward voltage, however, normally results in an increase in reverse leak current. ROHM overcame this challenge through device optimization and improved manufacturing processes, successfully reducing VF while maintaining low leakage current. In addition, this new series features particularly low forward rise voltage compared with competitor products for improved efficiency during low-load states – where it is commonly used.
Samples are available.
High-speed switching and low VF dramatically reduce power dissipation compared to conventional Si products.
The new SCS210AG/AM series of SiC Schottky barrier diodes reduces forward voltage while maintaining the high-speed switching characteristics unique to SiC, significantly reducing power dissipation compared with conventional Si fast recovery diodes.
1 June ROHM survey
ROHM Semiconductor GmbH
ROHM Semiconductor is a global company of 304,6 billion yen (3,8 Billion $) revenue with 21,295 employees in the last fiscal year ending March 2012. ROHM Semiconductor develops and manufactures a very large product range from the Ultra Low Power Microcontroller, Power Management, Standard ICs , SiC Diodes, Mosfets and Modules , Power Transistors and Diodes, LEDs to passives components such as Resistors, Tantalum Capacitors and LED display units, thermal Printheads in state-of-the-art manufacturing plants in Japan, Korea, Malaysia, Thailand, the Philippines, China and Europe.
Lapis Semiconductor (former OKI Semiconductor), SiCrystal AG and Kionix are companies of ROHM Group.
ROHM Semiconductor Europe has its head office near Dusseldorf serving the EMEA region (Europe, Middle East and Africa). For further information please contact www.rohm.com/eu
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