The SiA975DJ from Vishay is a MOSFET with Continous Drain Current -4.5 A, Drain Source Resistance 33 to 110 Milliohm, Drain Source Breakdown Voltage -12 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage -1 to -0.4 V. Tags: Surface Mount. More details for SiA975DJ can be seen below.