The R6055VNZ4 from ROHM Semiconductor is a MOSFET with Continous Drain Current -55 to 55 A, Drain Source Resistance 59 to 80 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 4.5 to 6.5 V. Tags: Through Hole. More details for R6055VNZ4 can be seen below.