Diotec's new SMD bridge series, the B40S2A to B380S2A, offers output currents of up to 2,3 A in SO-DIL package. This makes them, according to the manufacturer, the most powerful SMD bridge rectifiers on the market. This high power rating is achieved by an extremely low forward voltage drop of under 0,95 V at 2 A. Also unique is the peak forward surge current of as much as 72 A for an 8,3 ms sine half wave.
Typical applications for these rectifiers are power supplies for industrial and consumer goods such as set top boxes where, up until now, powerful enough SMD versions have not been available. Due to reduced forward power losses, the parts can be also used at high ambient temperatures, eg, in lamp ballasts. Further, the high surge current is an important parameter for lightning protection in telecommunication circuits.
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