The 1N5419 from Semtech is a Space Qualified Diode with Forward Current 4.4 to 4.5 A, Forward Voltage 1.1 V, Reverse Current 1.0 to 20 uA, Reverse Voltage 500 V, Repetitive Peak Reverse Voltage 500 V. Tags: Through Hole. More details for 1N5419 can be seen below.