The Hi-Link HLK-20M05 is a high-efficiency AC-DC power supply module designed to deliver a stable 5V DC output with a maximum current of 4A and a power output of 20W. It operates from a wide input voltage range of 90-264V AC, making it suitable for global applications. With a compact design, high efficiency, and multiple built-in protection features, this module is ideal for industrial control systems, IoT applications, automation, and smart devices.

Key Features:

• Compact & Lightweight – Small form factor for easy integration into circuit boards
• High Efficiency – Delivers efficient power conversion with minimal heat generation
• Safe & Reliable – Built-in protections against overvoltage, overcurrent, and short circuits
• Low Ripple & Noise – Ensures stable operation of sensitive electronic components
• Global Compatibility – Works with worldwide AC mains voltage (100-240V)
• Isolation – Provides electrical isolation between AC mains and low-voltage circuitry

Specifications:

• Model: HLK-20M05
• Input Voltage: 90-264V AC (50/60Hz)
• Output Voltage: 5V DC
• Output Current: 4A (Max)
• Power Output: 20W
• Efficiency: ≥85%
• Ripple & Noise: ≤100mV
• Protection Features: Overcurrent, Overvoltage, Short Circuit, Over-temperature
• Dielectric Strength: ≥3000V AC
• Insulation Resistance: ≥100MΩ
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -40°C to +85°C
• Size: 70mm × 48mm × 23mm
• Mounting Type: PCB Mount

Applications:

• IoT & Smart Home Devices
• Embedded Systems & Microcontrollers (ESP8266, ESP32, Arduino, Raspberry Pi)
• Industrial Automation
• LED Lighting & Displays
• Powering Sensors & Small Electronics