Model: IRFZ44 ; Continuous Drain Current Id: 49A; Drain Source Voltage Vds: 55V; Transistor Polarity: N-Channel. Durable material: The transistor is made of metal oxide semiconductor material, which has good thermal stability and long service life. Advanced process technology: Transistor is a kind of precision electronic component with high input resistance, low noise, low power consumption, and a large dynamic range. Application: It is a commonly used power semiconductor device in electronic circuits, which can be used as electronic switches, controllable rectifiers, etc. Multifunction: N-channel rectifier with multiple functions such as detection, rectification, amplification, switching, voltage stabilization, and signal modulation, widely used in large-scale and very large-scale integrated circuits.