The JANS1N5419US from Microchip Technology is a Power Diode with Forward Voltage 0.6 to 2 V, Reverse Current 1 uA, Repetitive Peak Reverse Voltage 550 V, Non-Repetitive Peak Forward Current 80 A, Recovery Time 250 ns. Tags: Stud Mount. More details for JANS1N5419US can be seen below.