Temperature boost for surface mount tantalum polymer capacitor range

June 10, 2019 //By Nick Flaherty
Temperature boost for tantalum polymer surface mount capacitors
Kemet has expanded the temperature capability of its range of tantalum polymer surface mount capacitors.

The tantalum polymer capacitor range tackles the stringent requirements and new challenges presented by automotive Advanced Driver Assistance Systems (ADAS), autonomous driving and in digitalization uses such as supercomputing, mobility services, connectivity and infotainment.

The T598 automotive grade polymer electrolytic devices combine multiple high-performance characteristics including high capacitance / voltage (CV) ratings, single digit equivalent series resistance (ESR), class-leading ripple performance, and ultra-extended life to truly enable the development and deployment of exciting and revolutionary technologies.

The AEC-200 qualified T598 tantalum polymer capacitor range has high capacitance values up to 470mF, voltage offerings of 2.5VDC – 50VDC and new single digit ESR, means single components can be used where current solutions dictate that multiple devices must be used.

The stable performance to 2000 hours at temperatures to 125°C gives a lifetime of around 15 years for vehicle applications ranging from ADAS features such as blind spot detection, adaptive cruise control and emergency brake assist, to safety systems including airbag occupant detection and alarm systems and electronic stability control.

The increase in electronic content on vehicles to enable ADAS, comfort and convenience and connectivity as well as the transition to hybrid and fully electrified powertrains, and ultimately fully autonomous driving, creates new opportunities for companies like KEMET to develop component technologies that can satisfy performance and life requirements not previously seen in the sector. The T598 series provides the latest example of this being achieved.

“The developments and megatrends we are witnessing in the automotive sector and in areas such as 5G base stations and cloud computing server farms are dramatic, exciting and more significant than anything seen in decades," said Dr Philip Lessner, Senior Vice President and Chief Technology Officer at Kemet. "In order for these megatrends to maintain their momentum and deliver the end products being developed, component technologies that achieve new performance levels across multiple criteria are essential. The T598 family is a perfect example of this and will allow electronic


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