The 5VA30-13 from ACST GmbH is a RF Schottky Diode with Frequency Up to 350 GHz, Peak Reverse Voltage 39 to 42 V (Breakdown Voltage), Forward continuous Current 1 uA, Forward Voltage 1.92 to 2 V, Capacitance 11 to 14 fF. Tags: Chip. More details for 5VA30-13 can be seen below.