The JANTX1N5415 from Micross is a Space Qualified Diode with Forward Current 3 to 4.5 A, Forward Voltage 1.1 V, Reverse Current 1 to 20 uA, Reverse Voltage 50 V, Repetitive Peak Reverse Voltage 50 V. Tags: Axial-Lead. More details for JANTX1N5415 can be seen below.