The NTMT125N65S3H from onsemi is a MOSFET with Continous Drain Current 24 A, Drain Source Resistance 108 to 125 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for NTMT125N65S3H can be seen below.