DALLAS, USA: Diodes Inc., a leading global manufacturer and supplier of high-quality application specific standard products within the broad discrete, logic and analog semiconductor markets, introduced the SBR1U400P1 super barrier rectifier.
With a forward voltage some 25% lower than standard p-n diode alternatives, the new SBR device has been designed to increase the efficiency of off-line LED drivers. This 1A, 400V rated part suits both bridge, with a 120VAC input, and buck stages of driver circuits. Applications include LED light bulbs, lighting ballasts, signage and street lighting.
The rectifier’s typical ultra-low forward voltage of less than 0.65V for a current of 1A at 125°C means that a significant reduction in power consumption is now possible for a wide range of off-line LED driver circuits. It is provided in Diodes’ own high performance PowerDI®123 package for best possible heat dissipation.
SBR1U400P1 also has a high-speed switching performance with a maximum reverse recovery time of just 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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