The ADS065J004C2 from Sanan IC is a RF Schottky Diode with Peak Reverse Voltage 650 V, Forward continuous Current 4000 mA, Forward Voltage 1.4 to 1.8 V, Current Surge Peak 34 A (Non-Repetitive), Current 15 µA (Reverse). Tags: Schottky Barrier Diode (SBD). More details for ADS065J004C2 can be seen below.