The ESH3B-M3 from Vishay is a Power Diode with Forward Current 3.0 A, Forward Voltage 0.90 V, Reverse Current 0.005 to 0.15 mA, Repetitive Peak Reverse Voltage 100 V, Non-Repetitive Peak Forward Current 125 A. Tags: Surface Mount. More details for ESH3B-M3 can be seen below.