The SS34F is a Schottky Barrier Diode (SBD) manufactured by Goodwork. It has 200µA at 40V for single rectifier and 550mV at 3A for SMAF applications. It is compliant with the Restriction of Hazardous Substances (RoHS) directive, making it more environmentally friendly. The SS34F is a reliable, efficient, and cost-effective diode choice.