The STE70NM60 from STMicroelectronics is a MOSFET with Continous Drain Current 70 A, Drain Source Resistance 50 to 55 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Chassis Mount. More details for STE70NM60 can be seen below.