IRF520 N-Channel 10A 100V Power MOSFET TO-220

IRF520 N-Channel 10A 100V Power MOSFET is a popular TO-220 package transistor used in switching and amplification applications. With its ability to handle high current and voltage, it is ideal for controlling motors, LEDs, and high-power loads in embedded, industrial, and DIY circuits. The IRF520 is compatible with logic-level gate drive (like Arduino and ESP8266 with driver modules), making it easy to integrate into IoT and automation systems.

Key Features:

• N-Channel Enhancement Type: Provides low on-resistance and fast switching performance
• High Drain Current: Can handle up to 10A continuous current
• High Voltage Rating: Withstands up to 100V drain-source voltage
• Low R_DS(on): Offers efficient switching with minimal heat generation
• Standard TO-220 Package: Suitable for heatsink mounting

Technical Specifications:

• Drain to Source Voltage (V_DS): 100V
• Continuous Drain Current (I_D): 9.2A @ 25°C
• Gate Threshold Voltage: 2.0V – 4.0V
• R_DS(on): 0.27Ω (max) @ V_GS = 10V
• Power Dissipation: 40W (with heatsink)
• Total Gate Charge: 67nC
• Package: TO-220 (3-pin)

Mechanical Specifications:

• Package Type: TO-220AB
• Lead Pitch: 2.54mm (standard spacing)
• Mounting Hole: Heatsink-compatible with screw hole
• Body Dimensions: Approx. 10.3mm × 15.5mm × 4.5mm

Pin Configuration (TO-220):

• Pin 1: Gate (G)
• Pin 2: Drain (D)
• Pin 3: Source (S)

Typical Applications:

• Power Switching: Used in SMPS, DC-DC converters, and power control circuits
• Motor Control: Drive small DC motors in robots and automation systems
• LED Control: Switch high-brightness LEDs and LED strips
• DIY Electronics: Commonly used with Arduino and Raspberry Pi projects
• Relay Replacement: Solid-state control in place of mechanical relays

Schematic, Wiring and Usage:

• Gate Drive: Requires at least 5V for proper switching; 10V for full performance
• Logic Control: Use NPN transistor or driver module when using with 3.3V systems
• Heatsink: Recommended for loads above 1A continuous

Datasheet and Documentation:

• Download IRF520 Datasheet (PDF)

Equivalent and Similar Models:

• IRF540N: Higher current and lower R_DS(on)
• IRFZ44N: Logic-level version with 49A rating
• STP55NF06: Similar N-channel MOSFET with better specs

Package Includes:

• 1 x IRF520 N-Channel 10A 100V Power MOSFET TO-220