Surface-Mount Fuse offers operating current surge protection.

Press Release Summary:



Available in current ratings of 15 and 20 A with maximum fault current rating (Interrupt Rating) of 150 A at 24 Vdc, 0501 Series 1206-size surface-mount fuse provides operating current surge protection for high-current voltage regulator modules and dc-to-dc converters. RoHS compliant and UL and CSA approved low resistance device is lead- and halide-free, and can minimize trips during momentary overload conditions.



Original Press Release:



New Littelfuse 0501 Series Surface-Mount Fuse with High Current Ratings and High Temperature Capability Provides Reliable DC-to-DC Converter and Voltage Regulator Module Circuit Protection



New 0501 Series fuse provides high operating current surge protection at working temperatures up to 150ºC

DES PLAINES, IL - August 12, 2008 - Littelfuse, Inc. (NASDAQ/NGS:LFUS), today introduced the 0501 Series surface-mount 1206-size fuse, specifically designed to provide fast-acting protection for high-current voltage regulator modules and DC-to-DC converters.

With an ultra high interrupt rating of 150A at 24VDC, the 0501 Series fuse provides circuit protection against short-circuit current surges. Unlike comparable fuses, the 0501 Series has a temperature rating 20 percent higher than its closest competitor. The new fuse operates effectively in temperatures ranging from -55ºC up to 150ºC without nuisance tripping.

The 0501 Series fuses meet the growing need for circuit protection in voltage regulator modules and DC-to-DC converters. Voltage regulator modules and DC-DC converters are used in an array of electronic devices, many which rely upon batteries as their primary power source. Voltage regulator modules ensure the correct voltage is supplied to microprocessors. DC-to-DC converters ensure that adequate voltage is available, even as the battery is depleted.

The 0501 Series fuses, which are low resistance devices, have the lowest internal cold resistance available to date. The 0501 Series operates reliably over a wide temperature range and, by keeping power loss at a minimum, ensures that applications will provide best possible performance. Furthermore, due to its robust load rating, the 0501 Series effectively minimizes nuisance trips during momentary overload conditions.

The 0501 Series is available in current ratings of 15A and 20A, both with a maximum fault current rating (Interrupt Rating) of 150A, which allows this series of fuses to be used in a wide array of applications. The 0501 Series is 100 percent lead-free, halide-free, compliant with RoHS requirements, and includes UL and CSA agency approval.

Littelfuse has over 80 years of experience in building and supplying over-current protection products. By coupling a comprehensive range of products and solutions with application expertise and support, Littelfuse demonstrates its dedication to providing protection that meets customers' needs in any electronic application.

Availability

0501 Series fuse samples are available now for order and sample request through authorized Littelfuse distributors worldwide. For a listing of Littelfuse distributors, please visit www.littelfuse.com.

Additional Information. For more information about Littelfuse and our circuit protection products, please visit the Littelfuse web site www.littelfuse.com, or contact your Littelfuse products representative of the Littelfuse Technical Support line at 1-800-999-9445.

For circuit protection application design ideas, please visit the new Application Design Center section of the Littelfuse web site.

If you have questions or require technical support please contact the Littelfuse technical support hotline at 1-800-999-9445.

About Littelfuse

As the worldwide leader in circuit protection products and solutions with annual sales of $536.1 million in 2007, the Littelfuse portfolio is backed by industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits. Littelfuse offers Teccor®, Wickmann® and Pudenz® brand circuit protection products. In addition to its Des Plaines, Illinois, world headquarters, Littelfuse has sales, distribution, manufacturing and engineering facilities in Brazil, China, England, Germany, Hong Kong, India, Ireland, Japan, Korea, Mexico, the Netherlands, the Philippines, Singapore, Taiwan and the U.S. For more information, please visit Littelfuse's web site at www.littelfuse.com.

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