The IRHLF770Z4 from Infineon Technologies is a MOSFET with Continous Drain Current 1.6 A, Drain Source Resistance 650 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Through Hole. More details for IRHLF770Z4 can be seen below.