The SIMFSBSS123T2 from TT Electronics is a MOSFET with Continous Drain Current 0.43 A, Drain Source Resistance 1200 to 12000 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 0.8 to 2 V. Tags: Through Hole. More details for SIMFSBSS123T2 can be seen below.