EL SEGUNDO, Calif. February 2004 - International Rectifier (NYSE: IRF), the world leader in power management technology, today announced the opening of IR Denmark ApS (IRD), a research and design center for advanced high-reliability DC-to-DC converters and other power management solutions. The latest addition to IR's growing network of R&D facilities around the world, IRD is located in Skovlunde near Copenhagen.

The center will focus on higher level solutions for space applications and house a team of highly trained engineers with extensive experience in space-level power management design and customer support. IR Denmark complements International Rectifier's strong heritage and design expertise in space level power management applications.

"The establishment of IR Denmark will allow us to deliver not only the most reliable products for one of the most demanding applications, but also an outstanding level of customer service, especially to our large and growing customer base in Europe," said Bel Lazar, Vice President of Operations and R&D for International Rectifier HiRel Products.

Products designed at IR Denmark will be manufactured at International Rectifier's space qualified facility in Santa Clara, California.

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 in 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.

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