The Infineon Technologies 1187730-IRFL4315 is a N-channel MOSFET transistor designed for use in discrete semiconductor products. It has a maximum power dissipation of 2.8W and a maximum gate source voltage of ±30V. The Vds - Drain-Source Breakdown Voltage is 150V, and the Id - Continuous Drain Current is 2.6A. The Rds On (Maximum) @ Id, Vgs is 185mOhm @ 1.6A, 10V, and the gate source voltage(th) (Maximum) @ Id is 5V @ 250μA. This transistor is obsolete and has limited supply and demand status. It comes in a SOT-223 package and has a manufacturer pack quantity of 80. The input capacitance (Ciss) (Maximum) @ Vds is 420pF @ 25V.