The 1N5623 from Semtech is a Power Diode with Forward Current 2.0 A, Forward Voltage 1.2 to 1.6 V, Reverse Current 0.5 to 55 uA, Reverse Voltage 1000 V, Repetitive Peak Reverse Voltage 1000 V. Tags: Through Hole. More details for 1N5623 can be seen below.