The IDFW40E65D1E from Infineon Technologies is a Power Diode with Forward Current 35 to 42 A, Forward Voltage 1.7 to 2.1 V, Repetitive Peak Reverse Voltage 650 V, Non-Repetitive Peak Forward Current 120 A, Recovery Time 76 nS. Tags: Through Hole. More details for IDFW40E65D1E can be seen below.