HLK-5M12 Modular AC-DC power supply 240V - 12V 5W 0.42A PCB-mount converter

HLK-5M12 modular power supply 240V - 12V 5W for PCB mounting

Miniature AC-DC 12V 450mA power supply in a compact housing, designed for direct soldering onto a printed circuit board (PCB). The module works excellently in electronic projects, including for Arduino, ESP8266, ESP32, and Raspberry Pi.

Key technical specifications

• Input voltage: 100 - 240V AC
• Output voltage: 12V DC
• Maximum output current: 450mA
• External dimensions: 38 x 23 x 18 mm
• Operating temperature: -20°C to 60°C
• Permissible ambient humidity: 5 - 95%
• Built-in protection: short-circuit, thermal, overcurrent

Pin connections

1. AC - power supply input (100-240V AC)
2. + Vo - DC output (PLUS)
3. - Vo - DC output (MINUS)

Example applications

• Powering home automation and smart home systems
• Power modules in custom PCB projects
• Powering relays, LED strips, and sensors operating at 12V
• Compact industrial controllers and IoT devices
• Projects based on popular microcontrollers

Benefits of choosing this module

• Space saving thanks to miniature housing dimensions
• Easy installation via direct soldering to the printed circuit board
• High safety ensured by integrated protections
• Universal power input thanks to a wide AC input voltage range
• Reliable operation in demanding temperature and humidity conditions