HLK 5M03 Hi-Link 3.3V 5W AC to DC Power Supply Module

HLK 5M03 Hi-Link 3.3V 5W AC to DC Power Supply Module 

The HLK-5M03 is a compact AC-to-DC power supply module that converts mains AC voltage into a regulated 3.3 V DC output with up to 5 W of power. It is well-suited for powering modern low-voltage digital electronics and high-current 3.3 V systems directly from AC mains without external adapters.

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Features

• Wide AC input range
• Regulated 3.3 V DC output
• Up to 5 W power capacity
• Compact PCB-mount form factor
• High efficiency and low thermal loss
• Low output ripple for sensitive electronics
• Built-in overload and short-circuit protection
• Electrical isolation for safety

Applications

• ESP32, STM32, and other 3.3 V microcontrollers
• IoT and smart devices
• Wireless communication modules
• Sensors and logic circuits
• Embedded systems requiring high-current 3.3 V supply