






D4184 MOSFET Control Module for Relay Replacement
- Features a D4184 MOSFET for efficient high-current DC load switching
- Designed as a solid-state replacement for mechanical relays
- Supports PWM control for motor speed control, LED dimming, and power regulation
- Low RDS(ON) ≤ 5mΩ minimizes power loss and heat generation
- Includes optocoupler isolation for enhanced safety and signal protection
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers
Product Details
D4184 MOSFET Control Module for Relay Replacement
The D4184 MOSFET Control Module is a high-performance solid-state switching solution designed to replace traditional mechanical relays in DC applications. Utilizing a powerful D4184 MOSFET, the module delivers fast switching speeds, silent operation, and improved reliability while significantly reducing power loss and heat generation.
With support for PWM control, the module is ideal for motor speed regulation, LED dimming, heater control, battery-powered systems, and various automation projects. The integrated optocoupler isolation provides additional protection between the control and load circuits, ensuring safe and stable operation when interfacing with microcontrollers and development boards.
🔧 Features
- Efficient replacement for traditional mechanical relays
- Supports PWM control for dimming and speed regulation applications
- Low MOSFET on-resistance (RDS(ON) ≤ 5mΩ) for minimal power loss
- Optocoupler isolation for improved safety and signal integrity
- Fast switching speed with silent operation
- Suitable for high-current DC load control applications
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other controllers
- Compact design for easy integration into electronic projects
📋 Specifications
- MOSFET Model: D4184
- Control Signal Voltage: 3.3V – 20V DC
- Load Voltage: 5V – 36V DC
- Maximum Load Current: Up to 10A
- Trigger Type: Low-Level Trigger
- Output Type: Open-Drain MOSFET Switch
- Isolation: Optocoupler Isolation
- Control Method: PWM and Digital Switching
- Application: Motors, LEDs, Heaters, Pumps, Solenoids, and Other DC Loads
- Form Factor: Compact PCB Module
📦 Package Includes
- 1 × D4184 MOSFET Control Module
















