The SDS065J040G2 from Sanan IC is a RF Schottky Diode with Peak Reverse Voltage 650 V (Surge Peak), Forward continuous Current 20000 to 95000 mA, Forward Voltage 1.4 to 2.5 V, Current Surge Peak 180 A (Non-Repetitive), Current 2 to 300 µA (Reverse). Tags: Surface Mount, Schottky Barrier Diode (SBD). More details for SDS065J040G2 can be seen below.