SBR2U AEC-Q101 Qualified Super Barrier Rectifiers Diodes Inc. SBR2U Super Barrier Rectifiers are qualified to the AEC-Q101 high-reliability standard for automotive use. Featuring Diodes Incorporated Super Barrier Rectifier SBR® Technology, SBR2U Super Barrier Rectifiers offer low VF, low power loss, and high efficiency. SBR2U Super Barrier Rectifiers are ideal for use in general rectification applications as boost or blocking diodes.