The 1N4742A-T50A from onsemi is a Power Diode with Forward Current 0.021 A, Forward Voltage 11.4 to 12.6 V, Reverse Current 5 uA, Reverse Voltage 9.1 V, Repetitive Peak Reverse Voltage 9.1 V. Tags: Through Hole. More details for 1N4742A-T50A can be seen below.