The LQA40T200C from Power Integrations is a Power Diode with Forward Current 20.00 A, Forward Voltage 0.87 to 1.2 V, Reverse Current 500 uA, Repetitive Peak Reverse Voltage 200 V, Non-Repetitive Peak Forward Current 170 A. Tags: Through Hole. More details for LQA40T200C can be seen below.