Hi-Link 3.3V 5W Switch Power Supply Module (HLK-5M03) is designed to deliver stable 3.3V output with high efficiency and low noise. Compact AC-DC power module Ideal for embedded systems, IoT devices, and low-voltage electronics.

Features:

1. Wide Input Voltage Range (90–264V AC)
2. Stable 3.3V Output
3. Ultra-Compact and Lightweight Design
4. Low Ripple and Low Noise
5. Overload and Short Circuit Protection
6. High Efficiency and Power Density
7. Meets UL, CE, EMC Standards
8. Low No-Load Power Consumption (<0.1W)

Specifications:

Parameter	Value
Brand	Hi-Link
Model	HLK-5M03
Input Voltage	100 – 240V AC
Output Voltage	3.3V
Output Power	5W
Input Current	<0.2A
Voltage Regulation	±0.2%
Load Regulation	±0.5%
Operating Temperature	-20°C to +60°C
Storage Temperature	-40°C to +80°C
Humidity Range	5% – 95% RH
Pressure	80 – 106 kPa
Color	Black
Dimensions	38 × 23 × 19 mm
Weight	30g

If you're exploring similar compact AC-DC power solutions, you can also check out the Hi-Link 5V 2W Power Supply Module (HLK-2M05) for low-voltage applications, the Hi-Link 5V 10W Power Supply Module (HLK-10M05B) for small embedded projects, the Hi-Link 12V 5W Power Supply Module (HLK-5M12) for standard electronics setups, and the Hi-Link 24V 5W Power Supply Module (HLK-5M24) for higher voltage requirements, all offering reliable and efficient power conversion for a wide range of applications.

Package Includes:

1 x Hi-Link 3.3V 5W Switch Power Supply Module (HLK-5M03)