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  Industry News  Power modules without a baseplate: A reliable and cost-effective solution from Vincotech
Industry News

Power modules without a baseplate: A reliable and cost-effective solution from Vincotech

Vincotech GmbHVincotech GmbH—March 6, 20120
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March 6th 2012 – Power modules serve a wide and diverse range of purposes. For some applications, power density is a key factor. For others, efficiency or price may be the sticking point. But for all applications, reliability is a top priority.

Modules with solid baseplates made of copper or aluminum silicon carbide are commonplace. Cost concerns have also given rise to a new breed of module without a baseplate. Having examined different variants of modules, we can draw the following conclusions: The longest component life may be achieved by keeping temperature ripple low. The load and environmental conditions are key factors. The smaller the number and the lesser the extent of thermal expansions, the greater the reliability. The CTE of materials should match. If thermal capacity is not an issue, a module without a copper baseplate is the right choice.

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Modules with baseplates may still be necessary if brief spikes of high energy are expected. Each downward layer of material layer influences thermal spreading. Rth values stated in the datasheet are measured with a water-cooled heatsink and indicate the worst-case scenarios.

This paper describes the differences between modules with and without baseplates, and how the reliability and thermal conductivity is affected. Please feel free to read Vincotech’s article on under:

www.vincotech.com/news/articles/modules-without[…]

About Vincotech:

Vincotech, an independent operating unit within Mitsubishi Electric Corporation, is a market leader in power modules in development and manufacturing of high-quality electronic power components for Motion Control, and Renewable Energy applications.

With some 500 employees worldwide, backed by vast experience and a long history in electronics integration, Vincotech leverages these assets to help customers attain maximum market success.

For more information please see: www.vincotech.com

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