SCTARF000195 SMD RF Transistor NPN BFP540 RF TRANSISTOR, SOT-343 Transistor type:Small Signal RF; Transistor polarity:NPN; Voltage, Vceo:4.5V; ft, typ:1.8GHz; Case style:SOT-343; Termination Type:SMD; Transistors, No. of:1; ft, min:1800MHz; Current, Ic continuo;