MOSFETs for industrial applications. Free Technical Library News

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MOSFETs for industrial applications

29.09.2009

The new International Rectifier Series IRFB46xx and IRFS46xx 150V and 200V ultra-low gate charge (Qg) MOSFET transistors are designed for industrial applications including Switch Mode Power Supplies (SMPS), uninterruptible power supplies (UPS), inverters and DC motor drivers.

These devices are optimized for circuit designs where fast switching is required and where low switching losses are important. International Rectifier's new 150V MOSFETs have 59% lower Qg, and 200% lower Qg for 33V than competitors.

The new MOSFETs are the best value on the market and are available in TO-220, D2-PAK, TO-262, D-PAK and I-PAK packages, and are RoHS compliant.

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Displays are perhaps the most vulnerable areas of consumer electronics. They remain relatively expensive components. At the same time, careless handling, or a blow as a result of a fall, can lead to the most sad consequences for them. The task of scientists is to create a fundamentally new material that does not have such shortcomings. Scientists from Singapore managed to solve it successfully. They have developed a unique HELIOS material that could become the basis for future technology displays.

It is based on a fluoroelastomer and a surfactant, and the material itself looks like a flexible transparent plate. Fluorelatomer is a synthetic rubber based on fluorocarbon. One of the remarkable properties of the new material is that it has a high dielectric constant. This allows you to get the brightness of the glow up to 20 times higher with a four-fourth lower supply voltage. Thus, displays based on it can be incredibly energy efficient.

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