The 1N5619 from Semtech is a Space Qualified Diode with Forward Current 2.0 A, Forward Voltage 1.2 to 1.6 V, Reverse Current 0.5 to 55 uA, Reverse Voltage 600 V, Repetitive Peak Reverse Voltage 600 V. Tags: Through Hole. More details for 1N5619 can be seen below.