The QH8M22 from ROHM Semiconductor is a MOSFET with Continous Drain Current -4.5 to 4.5 A, Drain Source Resistance 34.6 to 260 Milliohm, Drain Source Breakdown Voltage -40 to 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to 2.5 V. Tags: Surface Mount. More details for QH8M22 can be seen below.