The JANS1N6621 from Microchip Technology is a Power Diode with Forward Current 1.2 to 2.0 A, Forward Voltage 1.40 to 1.60 V, Reverse Current 0.5 to 150 uA, Reverse Voltage 440 V, Repetitive Peak Reverse Voltage 400 V. Tags: Stud Mount. More details for JANS1N6621 can be seen below.