The SDS065J004D2 from Sanan IC is a RF Schottky Diode with Peak Reverse Voltage 650 V (Surge Peak), Forward continuous Current 4000 to 12000 mA, Forward Voltage 1.4 to 2.5 V, Current Surge Peak 34 A (Non-Repetitive), Current 1 to 80 µA (Reverse). Tags: Surface Mount, Schottky Barrier Diode (SBD). More details for SDS065J004D2 can be seen below.