The RF4E110BN from ROHM Semiconductor is a MOSFET with Continous Drain Current -11 to 11 A, Drain Source Resistance 8.5 to 15.4 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Surface Mount. More details for RF4E110BN can be seen below.