EL SEGUNDO, Calif. — January 2006 — International Rectifier IR® (NYSE: IRF), a world leader in power management technology, today announced that its manufacturing facility located in Tijuana Mexico, Rectificadores Internacionales S.A. de C.V., was recently awarded Joint Army Navy (JAN) JANTX and JANTXV certification by Defense Supply Center Columbus (DSCC).

IR’s JAN certification, certifying compliance to MIL-PRF-19500 and MIL-STD 750, allows IR to offer Qualified Products List (QPL) versions of its HEXFET® power MOSFETs for government and space applications. JANTX and JANTXV are stringent quality and reliability levels designated by the US Department of Defense for discrete power semiconductor devices. QPL is the US Department of Defense’s list of standard semiconductor products produced by certified suppliers in accordance with government performance. Suppliers are audited periodically, thus certifying that all customers will receive products that meet government standards.

Bel Lazar, vice president of International Rectifier's HiRel Operations, said, “Earning JAN certification reinforces IR's position as a premiere supplier of high-reliability products for the government and space market.”

The Tijuana facility is one of six of the company’s HiRel manufacturing sites. Visit the International Rectifier’s HiRel products site for more informaiton.

About International Rectifier

International Rectifier (NYSE:IRF) is a world leader in power management technology. IR’s analog and mixed signal ICs, advanced circuit devices, integrated power systems and components enable high performance computing and reduce energy waste from motors, the world’s single largest consumer of electricity. Leading manufacturers of computers, energy efficient appliances, lighting, automobiles, satellites, aircraft and defense systems rely on IR’s power management benchmarks to power their next generation products. For more information, go to www.irf.com.

Trademark Notice

IR® and HEXFET® are registered trademarks of International Rectifier Corporation.