Schottky Barrier Diode RB491D in SOT-23 package, with 20 V DC reverse voltage, 1 A mean rectifying current, low forward voltage of 0.45 V at 1 A, and 200 uA reverse current at 20 V.
AD-RB491D Schottky barrier diode in SOT-23 package, with 20V DC blocking voltage, 1A forward current, low forward voltage of 0.45V at 1A, and reverse leakage current of 200uA at 20V, suitable for surface mount applications.