The ECH8663R from onsemi is a MOSFET with Continous Drain Current 8 A, Drain Source Resistance 10.5 to 28 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.3 V. Tags: Surface Mount. More details for ECH8663R can be seen below.