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High-voltage, high-current diode caters to heavy-duty industrial apps

International Rectifier, IR, a provider of power management technology, today introduced the 105PF40T 400V, 105A diode in a plastic DO-5 package for heavy duty, industrial applications such as arc welders and storage battery chargers.

The new diode features very low maximum peak forward voltage (VFM = 0.98V@200A typ.) and a thermal resistance of 0.25°C per watt. Competing devices have higher thermal resistances from 0.35°C to 0.40°C per watt, making them less efficient.

“IR's new DO-5 packaged device combines high voltage, current and surge capability with excellent thermal efficiency to provide performance which rivals larger DO-8 packages,” said Silvestro Fimiani, International Rectifier Product Marketing Manager.

The glass-passivated silicon chip in the new diode is housed in a threaded, stud-mount plastic package, designed to simplify heatsink mounting. The single-hole mount also provides flexibility for multiple diode assemblies, such as bridge rectifier circuits.

The 105PF40T is available immediately. Pricing begins at US $4 each for 1000-unit quantities. Pricing is subject to change.

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

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