The RLR4002 is a single rectifier diode from Rohm Semiconductor. It is a high-performance diode that is designed to provide a low forward voltage drop and high surge current capability. This device is suitable for a wide range of applications, including power supplies, rectifiers, and battery chargers. The RLR4002 has a small form factor, which makes it easy to integrate into your design. It also has a high reliability and long operating life. The device is available in a small SOD-123 package, which makes it easy to mount on a PCB. Overall, the RLR4002 is a reliable and efficient diode that is ideal for a wide range of applications.