1
🛡️ Ultra-Reliable 20W AC-DC Power Supply Module (HLK-20M05)
The HLK-20M05 is a high-performance, compact 20W switching power supply designed to deliver exceptionally stable 5V DC power in the toughest industrial and embedded environments. If your project demands continuous, reliable power with robust protection, this module is the ideal "set-it-and-forget-it" solution.
🌍 Universal Input & Global Compatibility
- Wide Voltage Range: Accepts nearly any common power source globally.
- AC Input: 85VAC to 265VAC
- DC Input: 70VDC to 350VDC
- Low Standby Power: Highly energy-efficient with a very low no-load power consumption of ≤ 0.1W, making it excellent for always-on devices.
⚡️ Precision Power Output (5V)
The HLK-20M05 ensures your sensitive electronics receive clean and stable power:
SpecificationValueCustomer BenefitOutput Voltage5V DCStandard power for microcontrollers (ESP32, Raspberry Pi, Arduino).Voltage Tolerance± 0.2% (Full Load)Extremely tight regulation ensures maximum component lifespan.Ripple & Noise≤ 70mVp-p (Max)Low noise prevents interference with analog circuits and sensors.
👷 Built for Extreme Environments
This module is engineered for maximum durability and safety:
- Rugged Housing: Fully enclosed in a flame-retardant plastic casing (UL94V-0) and sealed with waterproof thermal conductive potting. This makes the unit dustproof, moisture-proof, and shockproof.
- High Operating Temperature: Reliable operation across a wide range from -25°C to +60°C.
- Safety Isolation: Features a critical 3000 VAC input-to-output isolation voltage, creating a secure safety barrier between mains voltage and your low-voltage circuit.
✅ Advanced Protection & Compliance
- Self-Recovery Protection: Includes integrated output short-circuit and over-current protection that automatically recovers once the fault is cleared.
- Certifications: Designed to meet international safety and EMC standards, including UL and CE requirements.
💡 Ideal Applications
- Industrial Control Systems: Powering PLCs, sensor arrays, and RTUs.
- Smart Home/Building: Embedded devices, thermostats, and security systems.
- IoT Gateways: Ensuring continuous operation of mission-critical networking hardware.
Resources: