The JANS1N6638 from Microchip Technology is a Power Diode with Forward Current 0.01 to 0.2 A, Forward Voltage 0.8 to 1.1 V, Reverse Current 50 to 100 uA, Reverse Voltage 0 to 1.5 V, Repetitive Peak Reverse Voltage 125 V. Tags: Through Hole. More details for JANS1N6638 can be seen below.