The LD20-23B05R2 is a compact, high-efficiency 20W encapsulated AC/DC switch mode power supply module designed for reliable performance in industrial, commercial, and embedded electronic systems. With an ultra-wide input voltage range of 85-305VAC (100-430VDC), this power supply delivers stable and regulated 5VDC output even in challenging or unstable mains environments.
Providing a robust 5VDC at up to 4A, the module is ideal for powering microcontrollers, communication devices, industrial sensors, IoT nodes, embedded controllers, and other 5V logic-based systems. The LD20-23B05R2 features high conversion efficiency, low standby power consumption, and a fully encapsulated design for enhanced durability and electrical isolation.
Engineered to meet stringent safety, EMI, and environmental standards, including CISPR32/EN55032 Class B, EN55014, and UL94V-0, this power module is built to operate reliably across a wide temperature range and high-altitude conditions. Its compact footprint enables easy integration into space-constrained PCBs.
Features
- 20W high-efficiency AC/DC power module
- Ultra-wide input range: 85-305VAC / 100-430VDC
- Regulated 5VDC output at 4A
- High efficiency for reduced heat and improved reliability
- Very low no-load power consumption (<0.1W typical)
- Wide operating temperature: -40 C to +85 C
- Suitable for use up to 5000m altitude
- Fully encapsulated casing with UL94V-0 flame-retardant rating
- Meets EMC standards: CISPR32/EN55032 Class B, EN55014
- Over-current, over-voltage, and short-circuit protection
- Compact PCB-mount design ideal for industrial and embedded systems
Specifications
Electrical Parameters
Input Voltage:
- AC: 85-305VAC
- DC: 100-430VDC
- Frequency: 47-63Hz
Output Voltage:
- 5VDC
Output Current: - 4A
Rated Power: - 20W
Efficiency: High efficiency (typical for LD20 Series)
No-Load Consumption: <0.1W
Protections
- Short-Circuit Protection
- Over-Voltage Protection
- Over-Current Protection
Environmental
- Operating Temperature: -40 C to +85 C
- Storage Temperature: -40 C to +105 C
- Altitude: up to 5000m
- EMC Compliance: CISPR32/EN55032 Class B, EN55014
- Flammability Rating: UL94V-0 (plastic housing)
Mechanical
- Type: PCB Mount | Encapsulated
- Group: Power Adaptors
- Dimensions: 52.40 × 27.20 × 24.00 mm
What's in the box
1 x LD20-23B05R2 - 20W PCB Mount AC/DC Power Supply (5VDC, 4A)
