The ECH8657-TL-H from onsemi is a MOSFET with Continous Drain Current 4.5 A, Drain Source Resistance 45 to 155 milli-ohm, Drain Source Breakdown Voltage 35 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.6 V. Tags: Surface Mount. More details for ECH8657-TL-H can be seen below.