The SiA485DJ from Vishay is a MOSFET with Continous Drain Current 1.6 A, Drain Source Resistance 2100 to 2700 Milliohm, Drain Source Breakdown Voltage -150 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -4.5 to -2.5 V. Tags: Surface Mount. More details for SiA485DJ can be seen below.