The SiB4316EDK from Vishay is a MOSFET with Continous Drain Current 6 A, Drain Source Resistance 47 to 78 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.6 to 1.4 V. Tags: Surface Mount. More details for SiB4316EDK can be seen below.