The FQB50N06L from onsemi is a MOSFET with Continous Drain Current 52.4 A, Drain Source Resistance 17 to 25 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for FQB50N06L can be seen below.