Microsemi Delivers New Voltage Suppression Solutions for Magnetic Environments

ALISO VIEJO, Calif., Sept. 13, 2011 /PRNewswire/ -- Microsemi Corporation (Nasdaq: MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced two new non-magnetic, 500-watt transient voltage suppressor (TVS) arrays. The new devices were designed specifically for MRI machines to guard against circuit damage caused by electrostatic discharge, electrical fast transients, and the effects of secondary lightning. The USBQNM504xx and USBQNM504xxC TVS arrays are available today, and have already been qualified for use by a major medical equipment manufacturer.

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"Our high-performance TVS arrays use non-ferrous metal in their packaging, which makes them ideally suited for operation in MRI machines and other medical devices that operate in powerful magnetic environments," said Simon Wainwright, vice president of Marketing and Business Development for Microsemi's HiRel Group. "This capability adds another layer of protection against damaging voltage spikes that can corrupt data in sensitive medical equipment and render inaccurate results that may negatively impact patient health."

The USBQNM504xx and USBQNM504xxC TVS arrays protect uni- and bi-directional lines, respectively. The new environmentally friendly, halogen-free solutions are offered in a non-ferrous, quad flat no-lead 143-pin metal lead frame. The RoHS-compliant "green" enclosure is also pin-for-pin compatible with SOT-143 packages. Additional features include:

• Peak power rating of 500 watts for an 8/20 microsecond pulse.
• Protection against electrostatic discharge (ESD) as defined in IEC 61000-4-2, electrical fast transients (EFT) per IEC 61000-4-4 and effects of secondary lightning
• Board level protection for sensitive circuitry including TTL, CMOS, DRAMs, SRAMs, HCMOS, HSIC microprocessors, and USB and I/O transceivers.

About Microsemi

Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor solutions for: aerospace, defense and security; enterprise and communications; and industrial and alternative energy markets. Products include high-performance, high-reliability analog and RF devices, mixed-signal and RF integrated circuits, customizable SoCs, FPGAs, and complete subsystems. Microsemi is headquartered in Aliso Viejo, Calif., and has more than 2,700 employees globally. Learn more at www.microsemi.com.

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Microsemi and the Microsemi logo are registered trademarks or service marks of Microsemi Corporation and/or its affiliates. Third-party trademarks and service marks mentioned herein are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to its new TVS arrays and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

SOURCE Microsemi Corporation

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