IRG4PH30KPBF IGBT Single Transistor, 20 A, 3.1 V, 100 W, 1.2 kV, TO-247AC. The IRG4PH30KPBF is a 1200V short circuit rated ultrafast 4 to 20kHz IGBT optimizes for motor control, combines low conduction losses with high switching speed. Latest generation IGBT design and construction offers tighter parameters distribution and exceptional reliability.