The BSS84 from ROHM Semiconductor is a MOSFET with Continous Drain Current -0.23 to 0.23 A, Drain Source Resistance 2800 to 6400 Milliohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for BSS84 can be seen below.