Tantalum Capacitors can handle 46 V surge applications.
December 17, 2007 -
Series T521 are 35 V rated surface mount tantalum chip capacitors. Offered in V case size of 7.3 x 4.3 x 1.9 mm with capacitance value of 15 µF and ESR ratings of 100 mW. Capacitors are RoHS compliant, moisture sensitive at MSL Level 3 and are capable of handling applications up to 28 V power input rails. Options include footprints targeting various application voltages.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
KEMET Introduces the First 35 Volt Rated Polymer Tantalum Capacitor
Advanced Technology Expands Target Applications for Polymer Tantalum Products
GREENVILLE, S.C., Nov. 8 -- In its continuing commitment to lead the industry in capacitance technology, KEMET Corporation (NYSE:KEM) today announces the release of the first-ever 35V rated surface- mount polymer tantalum chip capacitor.
Since their introduction in the 1990's, polymer tantalum capacitors have become a popular choice for capacitance solutions in the portable consumer electronics market due to their low ESR (Equivalent Series Resistance), high reliability, volumetric efficiency, low-profile design and benign failure mode. To date, these devices have been most commonly used in 14V (or less) applications and are limited to voltage applications that do not exceed 20V of continuous duty. These voltage restrictions are driven by limitations in the materials and manufacturing processes that have, until today, prevented the industry from achieving higher voltage ratings.
By overcoming these limitations through advancements in materials and manufacturing processes, KEMET has successfully constructed and qualified the first polymer tantalum capacitors suitable for applications of up to 28V of continuous duty. In addition, these devices have demonstrated surge voltage handling capabilities in excess of 46V. This increase in voltage rating now provides designers working with higher-voltage applications, such as 24V and 28V power input rails, with the option of incorporating polymer tantalum technology into new designs as opposed to incorporating capacitance technologies that do not offer similar performance advantages.
"This new technology allows us to meet a long-standing need of many of our customers," says Per Loof, Chief Executive Officer. "KEMET is striving to become 'The Capacitance Company,' and the leadership we are now showing in technology represents a significant step toward reaching that goal."
Designated as the T521 Series, KEMET's initial offering in this new series includes the popular low-profile V Case Size (7.3mm x 4.3mm x 1.9mm) with a capacitance rating of 15uF and maximum ESR ratings of 100 milliohms. Future releases will include higher case heights (7.3mm x 4.3mm x 3.0mm) with target capacitance values of 22uF and 33uF as well as smaller footprints (3.5mm x 2.8mm x 2.0mm) targeting application voltages of 6.8uF and less.
KEMET Corporation applies world-class service and quality to deliver industry-leading, high-performance capacitance solutions to its customers around the world. KEMET offers the world's most complete line of surface-mount and through-hole capacitor technologies across tantalum, ceramic, aluminum (organic and electrolytic), film and paper dielectrics. KEMET's common stock is listed on The New York Stock Exchange under the symbol KEM.
Contacts:
Marketing:
Dean W. Dimke Director of Corporate and Marketing Communication
USA
Phone: 864-228-4448
FAX: 864-967-6322
Engineering:
Jayson Young Technical Product Line Manager
USA
Phone: 864-967-6859
FAX: 864-967-6322 E-mail this person Company Information: Name: Kemet Electronics Corp. Address: P.O. Box 5928 City: Greenville State: SC ZIP: 29606 Country: USA Phone: 864-963-6300 FAX: 864-967-6322 http://www.kemet.com
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