The D1961SH45T from Infineon Technologies is a Power Diode with Forward Current 1830 A, Reverse Current 150 mA, Repetitive Peak Reverse Voltage 4500 V, Non-Repetitive Peak Forward Current 40000 A, Temperature operating range 0 to +140 Degree C. Tags: Ceramic. More details for D1961SH45T can be seen below.