The RQ3E100BN from ROHM Semiconductor is a MOSFET with Continous Drain Current -21 to 21 A, Drain Source Resistance 7.7 to 15.3 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for RQ3E100BN can be seen below.