Standard pin configuration is: ? ? + ? Alternative pin configuration (part no. suffix R) is: ? ? ? +. SIL PCB Mounting, 2KBB Series, Vishay Semiconductor. 2KBB series bridge rectifiers in SIL PCB Mounting package from Vishay Semiconductor. Suitable for Printed Circuit Board (PCB) through hole mounting Leads on standard 2.54mm (0.1") grid Compact construction High surge current capability Equivalent to standard DIN parts