The ECH8661 from onsemi is a MOSFET with Continous Drain Current 7 A, Drain Source Resistance 24 milliohm, Drain Source Breakdown Voltage -30 to 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.6 V. Tags: Surface Mount. More details for ECH8661 can be seen below.