BUY B30R https://www.utsource.net/itm/p/11203599.html

B30R is a surface mount diode made by KEC. It is a fast recovery rectifier diode with a maximum reverse voltage of 30V and a maximum forward current of 1A. It is used in power supplies, rectifiers, and other applications that require fast switching. It has a low forward voltage drop and a low reverse leakage current. The diode is housed in a DO-218 package. (For reference only)