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Automotive MOSFETs in TO-247 feature 650-V rating

Wed, 08/07/2013 - 4:06pm

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650V auto MOSFETThe STW78N65M5 and STW62N65M5 from STMicroelectronics are said to be the industry’s first 650-V AEC-Q101 automotive-qualified MOSFETs in the popular TO-247 package. The 650V rating provides exceptional safety margin when exposed to high-voltage spikes, enhancing the reliability of automotive power and control modules. The two devices’ low on-resistance (RDS(ON)) of 0.032 Ω and 0.049 Ω respectively, combined with the compact TO-247 outline, enhances system energy efficiency and power density. The new devices leverage the company’s MDmesh V super-junction technology, which produces high-voltage devices with very low RDS(ON) per die area allowing smaller package sizes. Gate charge (Qg) and input capacitance are also low, resulting in outstanding Qg x RDS(ON) figure of merit (FOM) with high switching performance and efficiency. In addition, desirable avalanche robustness ensures increased ruggedness at sustained high-voltage operation. ST’s 650V automotive-qualified MOSFETs in the TO-247package are in volume production, priced from $ 8.95 for the STW62N65M5 and $ 9.75 for the STW78N65M5, for orders over 1,000 pieces.

STMicroelectronics, www.st.com

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