Hi-Link Isolated AC–DC Power Module modules eliminate the need for bulky transformers or complex power circuitry, allowing engineers and hobbyists to power microcontrollers and sensors directly from AC mains with confidence.

---

Key Features

• Fully isolated AC–DC power conversion
• Compact and sealed module
• Supports 85–265V AC input
• High efficiency and low ripple
• Short-circuit and overload protection
• No external heatsink required
• Long lifespan and stable output
• Ideal for IoT, ESP32, Arduino, ESP8266, smart home devices

---

📏 Common Models & Specifications

HLK-PM01 (Most popular)

• Output: 5V DC @ 600mA
• Input: 85–265V AC
• Isolation: 3kV
• Efficiency: ≥70%

HLK-PM03

• Output: 3.3V DC @ 600mA
• Same isolation and AC input range

HLK-10M05 / HLK-10M12 (High-power versions)

• Output: 5V @ 2A
• High efficiency with higher current capacity

---

🔧 Applications

• IoT devices and smart home appliances
• ESP32/ESP8266 WiFi modules
• Arduino-based automation systems
• Industrial control panels
• LED drivers
• Smart switches and relays
• Sensor nodes and embedded systems

---

📦 Package Includes

• 1 × Hi-Link AC–DC Isolated Power Module
  (5V)