The JANS1N5420 from Microchip Technology is a Power Diode with Forward Voltage 0.6 to 2 V, Reverse Current 1 uA, Repetitive Peak Reverse Voltage 660 V, Non-Repetitive Peak Forward Current 80 A, Recovery Time 400 ns. Tags: Through Hole. More details for JANS1N5420 can be seen below.