The NVBG190N65S3F from onsemi is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 158 to 190 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for NVBG190N65S3F can be seen below.