XH-M401 PWM Adjustable 4-40V to 1.25-36V 8A 200W DC-DC Step-Down Buck Module
Price in Sri Lanka

The XH-M401 is a high-power, adjustable DC-DC buck converter designed for efficient voltage step-down applications. With support for a wide input range (4–40V) and a precisely adjustable output (1.25–36V), this module delivers up to 8A continuous current and 200W maximum output power, making it ideal for powering DIY electronics, battery charging, LED lighting, RC projects, and industrial controls.

This module includes a large inductor, high-efficiency MOSFETs, and PWM adjustment ensuring stable conversion, low heat generation, and long-term reliability.

Key Features

• Wide input voltage range: 4V – 40V
• Adjustable output voltage: 1.25V – 36V
• High output power: Up to 200W
• High current capability: Up to 8A continuous
• PWM adjustment knob for precise voltage control
• High-efficiency design with large heatsink and inductor
• Over-current protection and stable output regulation
• Screw terminal connectors for easy wiring
• Ideal for hobby electronics, DIY power supply projects, LED drivers, and RC systems

Specifications

• Model: XH-M401
• Input Voltage: 4V – 40V DC
• Output Voltage: 1.25V – 36V DC (adjustable)
• Output Current: Up to 8A
• Maximum Power: 200W
• Conversion Type: Buck (step-down)
• Efficiency: Up to 94% (depending on input/output)
• Adjustment Method: PWM potentiometer
• Protection: Over-current / thermal protection

Applications

• DIY adjustable power supplies
• Battery charging systems
• LED lighting and strip power regulation
• RC hobby power modules
• Robotics and embedded systems
• Solar power step-down conversion
• Automotive DC voltage regulation