The FDS89161LZ from onsemi is a MOSFET with Continous Drain Current 2.7 A, Drain Source Resistance 105 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.2 V. Tags: Surface Mount. More details for FDS89161LZ can be seen below.