The IMBF170R450M1 from Infineon Technologies is a MOSFET with Continous Drain Current 9.8 A, Drain Source Resistance 450 to 917 Milliohm, Drain Source Breakdown Voltage 1700 V, Gate Source Voltage -10 to 20 V, Gate Source Threshold Voltage 3.5 to 5.7 V. Tags: Surface Mount. More details for IMBF170R450M1 can be seen below.