The BUZ11-NR4941 from onsemi is a MOSFET with Continous Drain Current 30 A, Drain Source Resistance 30 to 40 milli-ohm, Drain Source Breakdown Voltage 50 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.1 to 4 V. Tags: Through Hole. More details for BUZ11-NR4941 can be seen below.