The NTTFS4C06NTAG from onsemi is a MOSFET with Continous Drain Current 67 A, Drain Source Resistance 3.4 to 6.1 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.2 V. Tags: Surface Mount. More details for NTTFS4C06NTAG can be seen below.