BAS40,215 is a Schottky rectifier diode from Nexperia, rated for 40V reverse voltage and 120mA average rectified current. It comes in a surface-mount SOT-23 package.
The Nexperia 1PS79SB40 is a general-purpose Schottky diode designed for ultra-high-speed switching applications. It features a 40V reverse voltage and 120mA forward current.