The JANS1N5551 from Microchip Technology is a Power Diode with Forward Voltage 0.6 to 1 V, Reverse Current 1 uA, Repetitive Peak Reverse Voltage 440 V, Non-Repetitive Peak Forward Current 100 A, Recovery Time 2000 ns. Tags: Through Hole. More details for JANS1N5551 can be seen below.