Semiconductor MOSFET for Electronics Projects. Pack of 3 PcS. Type Designator: IRF9540N, Type of Transistor: MOSFET, Piece - IRF9540N P-Channel Power MOSFET, Package: TO-220, Drain-to-Source Breakdown Voltage: -100 V, Gate-to-Source Breakdown Voltage: +/- 20 V, Continuous Drain Current: -23 A (with adequate heat sinking, consider our TO-220 Heat Sink Set), Minimum Operating Temperature: -55°C, Maximum Operating Temperature: 175°C, Pin Spacing Pitch: 2.54mm (0.1in), Hole Diameter: 3.8mm (0.15in), Weight: 2g (0.07oz). Rest of the details are in the component datasheet.