FR120N MOSFET Control Module

FR120N MOSFET Control Module is a robust and easy-to-use power switch for your high-current projects. This module allows you to control a high-power DC load, such as a motor, LED strip, or heating element, directly from a low-power microcontroller signal. It integrates a powerful FR120N MOSFET transistor on a compact board, complete with screw terminals for secure wiring. The module simplifies power switching and is a perfect choice for robotics, automation, and any application where you need to manage a high-power circuit with a digital signal.

Key Features:

• High-Current Capability: The FR120N MOSFET handles a continuous current of up to 9.4A, making it suitable for a wide range of high-power loads.
• Low-Voltage Control: Activate the switch using a simple 3.3V to 5V signal from an Arduino, Raspberry Pi, or other microcontrollers.
• PWM Compatibility: Supports Pulse Width Modulation (PWM) signals, giving you smooth and precise control over motor speed or LED brightness.
• Screw Terminals: Provides easy and secure connections for high-current load and power supply wires.
• Indicator LED: Features a power indicator LED to confirm the module is receiving a control signal.

Technical Specifications:

• Load Voltage (Output): 5 V to 36 V DC
• Load Current (Output): Up to 9.4 A continuous (at 25°C), 30 A peak
• Control Signal Voltage: 3.3 V to 20 V DC
• Control Current: ~5 mA
• MOSFET Type: FR120N N-channel Power MOSFET
• Mounting: Screw terminals for power and load, pin header for control.

Mechanical Specifications:

• Module Type: Breakout PCB with soldered components and screw terminals
• Terminals: Two sets of screw terminals for load and power
• Pin Header: 3-pin header for control signal
• Material: FR4 PCB with silkscreen labeling

Dimensions:

• Board Length: ~34 mm
• Board Width: ~20 mm
• Board Thickness: ~1.6 mm

Pinout and Wiring:

• VCC (Control): Connect to the positive power supply of your microcontroller (e.g., 5V).
• GND (Control): Connect to the ground of your microcontroller.
• SIG (Signal): Connect to the digital output pin of your microcontroller.
• Load (+): Connect to the positive terminal of your DC load.
• Load (-): Connect to the ground of your load.
• Wiring Note: Connect the main power supply (V_Load) to the VIN (+) and VIN (-) terminals, and connect your load across the Load (+) and Load (-) terminals.

Datasheet Reference:

• Download the official IRF120N datasheet for complete electrical characteristics and performance graphs.

Applications:

• DC Motor Control: Adjust the speed of small DC motors in robots or toys.
• LED Lighting: Control the brightness of high-power LED strips or arrays.
• Solenoid and Relay Control: Switch high-current solenoids or activate larger relays.
• Heating Elements: Regulate the temperature of small heaters or heating pads.

Equivalent Models:

• IRF520 MOSFET Module: A popular, lower-current alternative suitable for many hobbyist projects.
• IRF540N MOSFET: A higher-power MOSFET often used in similar applications, requiring a separate driver circuit.

Package Includes:

• 1 x FR120N MOSFET Control Module