Schematic

IRF520 MOSFET Specifications

• Input Voltage: 3.3V ~ 5VDC
• Output load voltage: 0-24V
• Output load current: <5A (More than 1A required a heat sink)
• Weight: 10g
• Size: 33.5 x 25.5mm

Arduino Code

#define heater 6

void setup(void) 
{ 
 pinMode(heater, OUTPUT);
} 
void loop(void) 
{ 
 digitalWrite(heater, HIGH);
}