The HP8K22 from ROHM Semiconductor is a MOSFET with Continous Drain Current -57 to 57 A, Drain Source Resistance 3600 to 13300 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.3 to 2.5 V. Tags: Surface Mount. More details for HP8K22 can be seen below.