Super barrier rectifier designed by Diodes Incorporated to increase the LED drivers' efficiency

Diodes Incorporated has designed the SBR1U400P1 super barrier rectifier to increase the efficiency of off-line LED drivers. It can be used in LED light bulbs, lighting ballasts, signage and street lighting.

The SBR1U400P1 super barrier rectifier features a forward voltage some 25% lower than standard p-n diode alternatives. This 1A, 400V rated part suits both bridge, with a 120VAC input, and buck stages of driver circuits.

The rectifier's typical ultra-low forward voltage of less than 0.65V for a current of 1A at 125°C, and it is provided in Diodes' own high performance PowerDI®123 package for best possible heat dissipation.

In addition, it also has a high-speed switching performance with a maximum reverse recovery time of 85ns (If=0.5A, Ir=0.5A, Irr=0.25A). The rectifier exhibits a soft recovery and removes ringing, resulting in an overall reduction in electrical noise generation.

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