The LD20-26B05 is a high-performance, encapsulated 20W AC/DC switch-mode power supply module engineered for industrial, commercial, and instrumentation environments that demand exceptional electrical robustness and long-term reliability. Designed with an ultra-wide input range of 90-528VAC (100-745VDC), it seamlessly supports global mains voltages, including single-phase and three-phase systems, as well as variable or unstable supply conditions.
This compact PCB-mount module delivers a regulated 5VDC output at up to 3.6A, making it ideal for powering microcontrollers, digital logic, sensors, communication devices, and other low-voltage electronics. With 4000VAC isolation, the LD20-26B05 ensures reinforced safety and protects downstream electronics from high-voltage transients.
Housed in a UL94V-0 flame-retardant encapsulated case, the converter offers excellent durability, low EMI emissions, and compliance with international safety and EMC standards. Its high efficiency and reliable protections make it a dependable choice for long-term operation in demanding applications.
Key Features
- Ultra-wide 90-528VAC / 100-745VDC input range
- Regulated 5VDC output up to 3.6A (20W)
- 4kVAC isolation for enhanced safety and insulation
- High efficiency for low thermal buildup
- Fully encapsulated PCB-mount housing
- Low no-load power consumption
- UL94V-0 flame-retardant plastic enclosure
- Short-circuit, over-current, and over-voltage protection
- Excellent EMC performance
- Suitable for harsh electrical environments and industrial applications
Specifications
Electrical
- Input Voltage:
AC: 90-528VAC
DC: 100-745VDC - Output Voltage: 5VDC
- Output Current: 3.6A
- Rated Power: 20W
- Isolation Voltage: 4000VAC
- No-Load Power Consumption: Very low
- Efficiency: High (varies with load and input)
Mechanical
- Mounting Type: PCB Mount
- Construction: Encapsulated switch-mode module
- Dimensions: 70.00 × 48.00 × 30.00 mm
Applications
- Industrial control systems
- Building automation
- Instrumentation and monitoring equipment
- Embedded electronics
- Communication modules
- Smart appliances
- IoT devices requiring wide input and high reliability
What's in the box
1 x LD20-26B05 20W PCB Mount AC/DC Power Supply 5V 3.6A 4kVAC Isolation