The STS321070U162AH from Eaton is a Power Diode with Reverse Current 0.1 to 0.5 µA, Reverse Voltage 7 V, Temperature operating range -55 to 150 Degree C, Reverse Breakdown Voltage 7.5 to 9 V, Total Capacitance 165 to 200 pF. Tags: Surface Mount. More details for STS321070U162AH can be seen below.