These are New. Mosfet Type : N-channel Current Rating : 49A Rds (On) : 17.5mΩ Voltage Rated : 55V Package Contents: 10 × IRFZ44N Transistor Mosfet Type : N-channel Current Rating : 49A Rds (On) : 17.5mΩ Voltage Rated : 55V Includes 10pcs