The 5VA70-13 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 1.85 to 1.93 V, Capacitance 21.2 to 25.8 fF. Tags: Chip. More details for 5VA70-13 can be seen below.