This module is a high-efficiency isolated AC-DC SMPS converter from the trusted Hi-Link (Hi-LInk/Hi-Link) family, model HLK-10M05, engineered to deliver a stable 5V DC at up to 2A (10W) from a wide 100-240VAC input (50/60Hz). Key Features Fully isolated SMPS design for electrical safety Stable 5V 2A output (10W max) Universal AC input: 100–240VAC, 50/60Hz Low noise and ripple, suitable for sensitive MCUs Short-circuit, over-current, and overload protection Compact ABS/PCB-mountable enclosed body Powers: ESP32, ESP8266 NodeMCU (your SKU), Arduino, STM32, sensors, and 5V logic circuits Suitable for: IoT power units, smart load controllers, industrial cabinets, automation boards, corrosion monitors, and custom electronics Technical Specifications Parameter Value Model HLK-10M05 Manufacturer Hi-Link / Hi-LInk family (brand shown in image) Input Voltage 100-240VAC, 50/60Hz Output Voltage 5V DC regulated Output Current 2A max Output Power 10W Isolation Yes, transformer-based isolation Protection OCP, SCP, Overload Operating Temp −20°C to 60°C (typical SMPS class) Dimensions ~50 × 30 × 20 mm (approx compact class) Trigger/Logic Level 5V output stage HSN Code 85044090 (Switching Power Supplies / SMPS converters) Recommended Integration Notes Use Vout (5V) and Vout− (GND) to power logic circuits Maintain proper AC input insulation, use fuse (0.5A–1A slow-blow) on AC line for device protection in enclosures Avoid touching AC terminals during operation
