High surge capability at maximum junction temperature
STMicroelectronics` new Transil SMxJ and SMxT series are the first devices that maintain high surge protection all the way to the devices maximum junction temperature. There are six different series in the range, with specified surge energy from 100W to 1500W (10/1000-microsecond pulse) thereby covering a broad spectrum of applications. The new products are available at distributor Rutronik now.
The leakage current is specified at 85°C, meeting telecommunication industry requirements. The devices achieve an 80% reduction in leakage current compared to previous generations, which reduces system power consumption and improves energy efficiency. ST also specifies dynamic resistance for its new devices, which allows the clamping voltage to be calculated accurately so as to improve protection and minimize risk of equipment failure. The operating temperature ranges from -40°C to 150°C enabling use in consumer, telecom and industrial applications. The ESD protection meets the standards IEC 61000-4-2 and MIL-STD-883G. The series is specified with 8/20µs surge to meet IEC 61000-4-5 for electrical over-stress.
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