The ECH8420 from onsemi is a MOSFET with Continous Drain Current 14 A, Drain Source Resistance 22.5 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 1.3 V. Tags: Surface Mount. More details for ECH8420 can be seen below.