MOSFET: IRF520 (N-channel MOSFET)Operating Voltage (Logic Side): 3V - 5VLoad Voltage (Drain-Source Voltage, Vds): 0 - 24V DCMax Continuous Drain Current (Id): ~5A (but practically around 1-2A without a heatsink)Trigger Voltage (Vgs): 3.3V - 5VOutput Type: Open Drain (acts as a switch)Interface: 3-pin control (VCC, GND, SIG)Additional Protection: Flyback diode for inductive loads