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MEAN WELL 3 W Surface Mount Switching Power Supply 3.3V DC 900mA IRM-03-3.3S
Specifications
| Country of Origin | India |
|---|---|
| Brand | MEAN WELL |
| Power | 3W |
| Efficiency | 68% |
| Length | 37mm |
| Model | IRM-03-3.3S |
| Depth | 16mm |
| Gross Weight | 20g |
| Width | 24mm |
| Mount Type | Surface |
| EMC Immunity | Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, heavy industry level (surge L-N: 1 KV), criteria A |
| Series | IRM |
| Maximum Operating Temperature | 85°C |
| Minimum Operating Temperature | -30°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 430, 305V dc |
| Maximum Output Voltage | 3.3V dc |
| SMPS Output Current | 900mA |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Compact size with dimensions 37mm length, 24mm width, and 16mm depth.
- Supports universal AC input voltage range from 85 to 305 V AC.
- Output current of 900mA is suitable for low-power electronic devices.
- High efficiency of up to 68% ensuring energy saving performance.
- Operating temperature range from -30°C to 85°C for versatile application environments.
- Encapsulated design using phenolic case and fully potted silicone provides vibration resistance up to 5G.
- Built-in overvoltage, overload, and short circuit protections enhance performance reliability.
- Meets international safety standards including UL60950-1, TUV EN60950, and IEC62368-1.
Product Description
MEAN WELL IRM-03-3.3S is a 3 W single output encapsulated surface mount switching power supply delivering 3.3V DC at 900mA. It supports a universal input voltage from 85V AC up to 305V AC, making it adaptable to various power environments.
The power supply is constructed with a phenolic case and fully potted with silicone, providing robust resistance against vibration up to 5G, dust ingress, and moisture while enhancing heat dissipation. This design suits industrial, factory automation, handheld, and mechanical equipment applications requiring compact, reliable power solutions.
The IRM-03-3.3S features high efficiency up to 68% and extremely low no-load power consumption below 0.075 W, contributing to reduced energy costs and environmental compliance. Its compact dimensions (37mm L x 24mm W x 16mm D) and lightweight 20g mass enable easy integration into printed circuit boards.
Safety and EMC standards compliance include UL60950-1, TUV EN60950, TUV EN60335-1, IEC60601-1, and EN61558-1/-2-16 certifications. The unit also complies with EN55022 Class B emission and heavy industry level EN61000 immunity criteria, ensuring its fit for environments with strict electromagnetic regulations.
Compact chassis with phenolic case for durability and vibration resistance. Universal AC input for flexible application across regions. Comprehensive protection features including overvoltage, overload, and short circuit.
High efficiency and low power loss for sustainable use. EMI and EMC filtering integrated to prevent interference. Operating temperature range from -30°C to 85°C ensures stable performance in harsh conditions. Lightweight design enhances mounting options on PCBs.
Ideal for industrial electronic devices and automation systems.
This switching power supply offers a reliable power source for industrial, laboratory, manufacturing, and commercial electrical applications. It is an excellent choice for engineers and designers seeking a miniature, efficient AC-DC power module that satisfies global safety and EMC requirements.
Explore more on Switching Power Supplies and related MEAN WELL products available for industrial applications at EnvMart.
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Frequently Asked Questions
This model provides an output voltage of 3.3V DC with a maximum output current of 900mA.
It has an efficiency of up to 68%, contributing to energy-saving performance.
The dimensions are 37mm in length, 24mm in width, and 16mm in depth.
It operates within a temperature range of -30°C to 85°C, suitable for various environments.
It meets international safety standards including UL60950-1, TUV EN60950, and IEC62368-1.
This unit is designed for surface mounting.
It includes built-in overvoltage, overload, and short circuit protections for enhanced reliability.
The gross weight of this power supply is 20g.
It complies with EN55022 Class B emission and EN61000 immunity standards, suitable for heavy industry levels.
It is suitable for industrial, factory automation, handheld, and mechanical equipment applications.
It features a phenolic case and is fully potted with silicone, providing vibration resistance and enhancing heat dissipation.
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