LD20-26B05 20W PCB Mount AC/DC Power Supply 5V 3.6A 4kVAC Isolation

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