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Virtually all commercially available GaN power semiconductors are now lateral devices that can’t handle over about 600 V. New research is focused on producing a vertical GaN structure that’s better for medium- and high-power applications. These are devices where the current, instead of flowing through the surface of the semiconductor, flows through the wafer, across the semiconductor.  

Littelfuse Inc of Chicago, IL, USA, which provides circuit protection technologies (including fuses, semiconductors, polymers, ceramics, relays and sensors), has launched the LSIC2SD065CxxA and LSIC2SD065AxxA Series second-generation series of 650V, AEC-Q101-qualified silicon carbide (SiC) Schottky diodes.

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June ended up being one hell of a busy month news-wise, thanks primarily to China’s announcement. As many pointed out, the industry should have seen it coming; it nevertheless was still an abrupt bit of policy meddling, which is never a good idea.

5 Chinese EV Motor Controller (Inverter) Manufacturers 5.1 Shanghai E-drive 5.2 Shenzhen Inovance Technology 5.3 Shanghai Dajun Technologies 5.4 Tianjin Santroll Electric Automobile Technology 5.5 Zhongshan Broad-Ocean Motor 5.6 United Automotive Electronic Systems (UAES) 5.7 Hunan CRRC Times Electric Vehicle 5.8 BYD 5.9 Zhuhai Enpower Electric 5.10 Shenzhen V&T Technologies 5.11 Fujian Fugong Power Technology 5.12 Chroma ATE 5.13 Delta Electronics 5.14 Jing-Jin Electric Technologies (Beijing) 5.15 DEC Dongfeng Electric Machinery 5.16 Nidec (Beijing) Drive Technologies 5.17 Time High-Tech 5.18 JEE Automation Equipment 5.19 Shandong Deyang Electronics Technology 5.20 Beijing Siemens Automotive E-Drive System 5.21 Prestolite E-Propulsion Systems (Beijing) Limited

“The definition of future-proof is that whenever the utility changes their utility rate demand or anything they try to make more complicated with solar panels, the battery can come into play because that’s the free variable,” Khan said.

Zhao’s team is developing the solar inverter at the U of A’s National Center for Reliable Electric Power Transmission, a 6-megawatt power electronics testing facility at the Arkansas Research and Technology Park in Fayetteville. Researchers at the center work with silicon carbide, a powerful semiconductor material, to build power electronics devices for many applications.

To contact the editor responsible for this story: Greg Henderson at ghenderson@bloombergenvironment.com

“I think it’s very smart for any person to put (solar panels) on their homes or businesses,” said customer Peggy Holmes, 67, of Granite City, a retired steelworker. “In the long run, you’re going to save money. By the time our grandchildren or great-grandchildren grow up, that’s all there’s going to be.”

“Economically, it makes sense,” said Dunn, 69, who spent most of his life in Granite City but now lives along the Missouri River bluffs in North St. Louis.

We plan to add application centric products that addresses a specific application and help the user to perform necessary measurement at ease.