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Recom Switching Power Supply 3.3V DC 3.5W 85-305V AC Wide Input Range RAC3.5-3.3SK/277
Specifications
| Country of Origin | China |
|---|---|
| Brand | Recom |
| Power | 3.5W |
| Efficiency | 77% |
| Operating Temperature Range | -40°C to +90°C |
| Length | 31.7mm |
| Model | RAC3.5-3.3SK/277 |
| Depth | 21.8mm |
| Gross Weight | 31.5g |
| Width | 26.7mm |
| Mount Type | PCB |
| Series | RAC3.5-K/277 |
| Maximum Operating Temperature | 90°C |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 305V ac |
| Maximum Output Voltage | 3.3V dc |
| SMPS Output Current | 1.06A |
| Minimum Input Voltage | 85V ac |
Key Features
- Designed for enhanced mains input conditions from 85VAC to 305VAC.
- Operates efficiently across a temperature range of -40°C to +90°C.
- Compact PCB mount form factor with dimensions 31.7 x 26.7 x 21.8 mm.
- Provides a reliable output current of 1.06A with protection features including overvoltage and overcurrent.
- High efficiency of 77% ensures minimized energy loss during operation.
- Complies with multiple international standards and certifications for safety and electromagnetic compatibility.
- Ideal for automation, Industry 4.0, IoT devices, smart buildings, and household electronic equipment.
Product Description
Recom RAC3.5-3.3SK/277 Switching Power Supply is a multipurpose 3.5 watt AC/DC power supply module engineered for increased reliability under enhanced mains input conditions ranging from 85VAC to 305VAC. It is designed to provide a stable 3.3V DC output at an output current of 1.06A with high efficiency and robust protection features.
This switching power supply features a compact PCB mount design with precise dimensions of 31.7 mm length, 26.7 mm width, and 21.8 mm depth, weighing 31.5 g, making it suitable for space-constrained applications.
The device operates reliably in a wide temperature range from -40°C to +90°C, making it ideal for use in demanding industrial, automation, IoT, Industry 4.0 systems, smart building solutions, and household electronic devices. It includes built-in overvoltage and overcurrent protection to ensure safe operation and longevity of connected electronic components.
With an efficiency rating of 77%, this power supply effectively minimizes power losses, adhering to eco-design Lot 6 standby mode optimization. It complies with various international standards such as EN 61000 series for electromagnetic compatibility, IEC 60950-1, UL 60950-1, RoHS, and others, ensuring safety, reliability, and environmental compliance.
Wide AC input voltage range from 85VAC to 305VAC for global operation versatility. Eco-design Lot 6 compliant with standby mode optimization. Overvoltage and overcurrent protection ensure device safety. Compact dimensions suitable for PCB mounting.
High efficiency across the entire load range. Robust operating temperature range from -40°C to +90°C. Compliance with multiple international safety and electromagnetic standards.
This switching power supply module supports a broad range of industrial, commercial, and residential electronic applications requiring a dependable 3.3V DC power source with small footprint and high efficiency.
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Frequently Asked Questions
The Recom RAC3.5-3.3SK/277 provides a stable output voltage of 3.3V DC with an output current of 1.06A.
This switching power supply has an efficiency rating of 77%, which helps minimize energy loss during operation.
It operates reliably across a wide temperature range from -40°C to +90°C, making it suitable for various applications.
The dimensions of this power supply are 31.7 mm in length, 26.7 mm in width, and 21.8 mm in depth.
This model is designed for PCB mounting, making it suitable for compact applications.
It includes built-in overvoltage and overcurrent protection to ensure safe operation and longevity of connected devices.
This power supply is ideal for use in automation, Industry 4.0, IoT devices, smart buildings, and household electronic equipment.
The gross weight of the RAC3.5-3.3SK/277 is 31.5 grams.
It complies with various international standards including EN 61000 series for electromagnetic compatibility, IEC 60950-1, UL 60950-1, and RoHS.
It features an efficiency of 77%, which contributes to reduced power losses during operation, in line with eco-design Lot 6 standby mode optimization.
The RAC3.5-3.3SK/277 is part of the RAC3.5-K/277 series of switching power supplies.
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