The JSM8N70D from JSMicro Semiconductor is a MOSFET with Continous Drain Current 5.4 to 8 A, Drain Source Resistance 0.54 to 1.4 ohm, Drain Source Breakdown Voltage 700 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.0 to 4.0 V. Tags: Surface Mount. More details for JSM8N70D can be seen below.