Check the listing for details. 10PCS/New In Box IR G4PH50UD Bipolar Transistor. Condition: New. Listed at 54.07 USD. · IR G4PH50UD. · Bipolar Transistor. Bipolar Transistor. · New In Box. New In Box. We believe ourWide Product Range will be your selection. Sure thing. You may need to sign in.