Optoelectronics
Super barrier rectifier from Diodes raises efficiency of LED drivers
With a forward voltage some 25% lower than standard p-n diode alternatives, the SBR1U400P1 super barrier rectifier from Diodes Incorporated 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 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.
The SBR1U400P1 super barrier rectifier from Diodes Incorporated is priced at $0.08 USD each in 10k piece quantities. A 200V version, the SBR1U200P1, will also be released, priced at $0.075 USD each in 10k piece quantities.
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