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Capacitors for space-constrained automotive electronics

Posted: 14 Jan 2014     Print Version  Bookmark and Share

Keywords:Vishay  MicroTan  capacitors  automotive electronics 

Vishay Intertechnology, Inc. has introduced a new series of moulded, automotive-grade MicroTan solid tantalum chip capacitors for the next generation of space-constrained automotive electronics. The TP8 is the first AEC-Q200-qualified tantalum capacitor series to employ a "high-volumetrically efficient" packaging solution to enable industry-high capacitance-voltage ratings in small case sizes down to 0603.

Previously, the industry's offering of automotive-grade moulded chip capacitors was limited to A through D case sizes. With the TP8 series, designers now have access to a variety of smaller case sizes—including the 0603, 0805, and 0906—with the same capacitance and voltage ratings found in the larger devices.

The TP8 series features capacitance-voltage ratings from 1.0µF-40 V to 100µF-6.3 V. Included in this range are values such as 1.0µF-20 V in the 0603 case size and 100µF-6.3 V in the 1206 case. The devices offer standard capacitance tolerances of ±10 % and ±20 % and an operating temperature range of -55°C to +85°C, or +125°C with voltage derating.

With their small case sizes, the TP8 devices save board space for bulk capacitance, energy storage, filtering, and decoupling in space-constrained automotive applications including tire pressure monitoring systems, camera modules, rearview mirrors, and remote keyless entry.

The devices' rectangular moulded case encapsulation is ideal for high-volume PCB assembly, and their lead (Pb)-free, L-shaped facedown terminations offer better mechanical and electrical contact to the solder pad than traditional facedown-style terminations. The RoHS-compliant capacitors are available in 8 mm tape and reel packaging per EIA-481.

Samples and production quantities of the TP8 capacitors are available now, with lead times of 10 weeks for larger orders.

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