The SP8K80 from ROHM Semiconductor is a MOSFET with Continous Drain Current -0.5 to 0.5 A, Drain Source Resistance 900 to 11700 milliohm, Drain Source Breakdown Voltage 500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Surface Mount. More details for SP8K80 can be seen below.