ug303UG303 manufactured by: 200V; 3.0A ultra-fast recovery glass passivated rectifier; ultra fast switching for hh efficiency Others with the same file for datasheet:UG303: EFM32 Tiny Gecko TG11 Starter Kit User's Guide The SLSTK3301A Starter Kit is an excellent starting point to get familiar with the EFM32™ Tiny Gecko TG11 Microcontroller .