El Segundo, Calif. - International Rectifier's IRF3000 is a 300-volt, n-channel HEXFET developed to replace electromechanical relays in telecom and networking applications. The power MOSFET offers a 30 percent cost saving compared with those relays, about one-tenth the on-resistance (0.4 milliohms maximum at Vgs = 10 volts), and a life expectancy of up to 1 billion switching cycles, according to the company. The IRF3000 is suited to nonisolated applications requiring a low current switch (1.6 amps) with up to 200-volt input. It's also suited to high-frequency dc/dc converters. Offered in an SO-8 package, the IRF3000 is priced at 39 cents each in 10,000-piece quantities.
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