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Recom Switching Power Supply 3.3V DC 3W 85-264V AC PCB Mount RAC03-3.3SK
Specifications
| Country of Origin | China |
|---|---|
| Brand | Recom |
| Power | 3W |
| Efficiency | 0.69% |
| Operating Temperature Range | -40°C to +80°C |
| Length | 28.5mm |
| Model | RAC03-3.3SK |
| Depth | 17.9mm |
| Gross Weight | 20g |
| Width | 23.5mm |
| Mount Type | PCB |
| Series | RAC03‿K |
| Maximum Operating Temperature | 80°C |
| Minimum Operating Temperature | -40°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 264V ac |
| Maximum Output Voltage | 3.3V dc |
| SMPS Output Current | 900mA |
| Minimum Input Voltage | 85V ac |
Key Features
- The module features a compact PCB mount design with footprint of approximately 1 square inch.
- Operates reliably from -40°C up to 80°C with 3W output at -40°C to 60°C and derated power to 2W up to 80°C.
- Maximum output current is 900mA ensuring stable voltage supply for industrial and automation applications.
- The power supply complies with international safety and efficiency standards including RoHS and UL certifications.
- Its high efficiency of 0.69% minimizes heat generation and energy consumption.
- Applications include automation, Industry 4.0, IoT devices, household and home automation systems.
- Input voltage range flexibility makes it suitable for worldwide use.
- Lightweight with a gross weight of 20 grams and dimensions optimized for space-constrained installations.
Product Description
Recom RAC03-3.3SK is a compact switching power supply module rated for 3 watts output power at 3.3 volts DC with a single output. It features a versatile input voltage range of 85 to 264 volts AC, making it suitable for global applications.
The module’s PCB mounting form factor and small size (approximately 28.5mm length, 23.5mm width, and 17.9mm depth) allow installation in space-constrained industrial and automation equipment. Designed for operation in harsh environments, it maintains full output power across a temperature range of -40°C to 60°C and safely derates power output to 2 watts up to 80°C.
With a maximum output current of 900mA, the RAC03-3.3SK provides a stable and reliable DC voltage supply ideal for modern Industry 4.0, IoT, and home automation devices. Its high efficiency minimizes power loss and heat generation, contributing to energy savings.
This power supply complies with a number of international standards and safety approvals including CANCSA, EN 605, EN 61558, IEC 60950, UL, and is RoHS compliant, ensuring it meets strict regulatory and environmental requirements.
The module has a very small 1 square inch footprint, making it one of the tiniest 3 watt power modules available. Standby mode is optimized for efficiency, and no-load power consumption is minimized to reduce energy waste.
Constructed to support diverse industrial, laboratory, and commercial applications requiring compact, efficient DC power solutions. Its design and certifications make it suitable for use in automation, industry 4.0 environments, IoT gadgets, and home automation systems worldwide.
The RAC03-3.3SK delivers a robust and energy-efficient power solution tailored for demanding modern electronic applications requiring small form factor DC power. Explore more power supply options in the Recom RAC03-K series and related electronic components at EnvMart.
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Frequently Asked Questions
It operates within an input voltage range of 85 to 264 volts AC, making it suitable for global applications.
The maximum output current is 900mA, ensuring a stable voltage supply for various applications.
The dimensions are approximately 28.5mm in length, 23.5mm in width, and 17.9mm in depth.
It operates reliably from -40°C to 80°C, maintaining full output power from -40°C to 60°C and derating to 2W up to 80°C.
This power supply is designed for PCB mounting, making it suitable for space-constrained installations.
It has an efficiency rating of 0.69%, which helps minimize heat generation and energy consumption.
Yes, it complies with several international safety and efficiency standards, including RoHS and UL certifications.
This model is suitable for automation, Industry 4.0, IoT devices, and home automation systems.
The gross weight of the RAC03-3.3SK is 20 grams, making it lightweight for easy installation.
It belongs to the RAC03‿K series, which includes various power supply options.
The maximum input voltage is 264V AC, allowing it to be used in a wide range of environments.
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