The F3L8MR12W2M1HP_B11 from Infineon Technologies is a MOSFET with Continous Drain Current 85 A, Drain Source Resistance 8.1 to 17.4 milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -10 to 23 V, Gate Source Threshold Voltage 3.25 to 4.75 V. Tags: Surface Mount. More details for F3L8MR12W2M1HP_B11 can be seen below.