IRF5851TRPBF MOSFET Transistor, 2.2 A, 2.7 A, 20 V, 6-Pin TSOP International Rectifier. MOSFETs integrate two HEXFET® devices to provide space-saving, cost-effective switching solutions in high component density designs where board space is at a premium. A variety of package options is available and designers can choose the Dual N/P-channel configuration.