The LD03-23B03R2 is a compact, encapsulated PCB-mount switch mode power supply designed for ultra-wide input voltage applications. It accepts 85-305VAC or 100-430VDC and provides a stable 3.3V DC output at 900mA, making it ideal for industrial control, embedded systems, and low-power electronic devices.
Its small 1×1 inch footprint allows for space-efficient PCB integration, while the robust design supports operation in harsh environments, with an ambient temperature range of -40 C to +85 C and altitude up to 5000m. Compliance with CISPR32/EN55032 Class B EMI standards ensures minimal interference in sensitive electronic applications.
Key Features:
- Ultra-Wide Input Range: 85-305VAC / 100-430VDC
- Output: 3.3V DC at 900mA
- Compact PCB Mount: 1 × 1 inch size for easy integration
- High Efficiency: Up to 78%
- Low No-Load Power Consumption: 0.1W
- Wide Operating Temperature: -40 C to +85 C
- High Altitude Operation: Up to 5000m
- Durable Plastic Case: UL94V-0 flammability rated
- EMI Compliance: CISPR32/EN55032 Class B, EN55014
Specifications:
- Model: LD03-23B03R2
- Device Type: PCB Mount Switch Mode Power Supply
- Input Voltage: 85-305VAC / 100-430VDC
- Output Voltage: 3.3V DC
- Output Current: 900mA
- Efficiency: Up to 78%
- No-Load Power Consumption: 0.1W
- Operating Temperature: -40 C to +85 C
- Package Type: Encapsulated Mini PCB Mount
- Altitude Rating: Up to 5000m
- Safety & EMI: UL94V-0, CISPR32/EN55032 Class B
Applications:
- Industrial automation and control circuits
- Embedded electronics and IoT devices
- Low-power instrumentation and sensors
- PCB-mounted electronic modules
What's in the box
1 x LD03-23B03R2 Mini PCB Mount SMPS 85-305VAC In 3.3V 900mA Output