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MEAN WELL IRM-05-3.3 Switching Power Supply 3.3V DC 4.1W 1.25A PCB Mount IRM-05-3.3
Specifications
| Country of Origin | India |
|---|---|
| Brand | MEAN WELL |
| Power | 4.1W |
| Efficiency | 68% |
| Length | 45.7mm |
| Model | IRM-05-3.3 |
| Depth | 21.5mm |
| Gross Weight | 40g |
| Width | 25.4mm |
| Mount Type | PCB |
| Safety Standards | UL60950-1, TUV EN60950-1 approved |
| 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-05 |
| Maximum Operating Temperature | 70°C |
| Minimum Operating Temperature | -30°C |
| Number of outputs | 1 |
| Maximum Input Voltage | 370, 264V dc |
| Maximum Output Voltage | 3.3V dc |
| SMPS Output Current | 1.25A |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Compact encapsulated design suitable for PCB mounting.
- Universal AC input voltage range from 85V AC to 264V AC.
- High efficiency of up to 77% reducing energy loss.
- Includes overvoltage, overload, and short circuit protection for safety.
- Wide operating temperature range from -30°C to 70°C.
- Conforms to multiple safety standards including UL and TUV certifications.
- Durable design resistant to vibration, dust, and moisture.
- Low no-load power consumption below 0.1W for energy savings.
Product Description
MEAN WELL IRM-05-3.3 is a 5W single output encapsulated switching power supply designed for PCB mounting. It offers a stable 3.3V DC output at a maximum current of 1.25A and power rating of 4.1W. The power supply supports universal AC input ranging from 85V AC to 264V AC and accepts a maximum input voltage up to 370V DC. Its compact size of 45.7mm length, 25.4mm width, and 21.5mm depth makes it ideal for space-constrained electronic designs.
This unit boasts high efficiency of up to 77%, resulting in reduced heat generation and energy consumption. Its design includes Class II isolation and built-in EMI filtering to ensure minimal electromagnetic interference. The IRM-05-3.3 switch mode power supply meets a wide range of electrical safety and EMC standards such as UL 62368-1, TUV BS EN 62368-1, and IEC 62368-1, ensuring compliance in diverse markets.
The power supply is engineered to withstand industrial environmental conditions including vibration resistance up to 5G and protection against dust and moisture ingress, enhancing reliability and lifespan. It operates effectively within a temperature range of -30°C to 70°C, suitable for demanding factory automation, mechanical, and industrial electrical applications.
Features include overvoltage, overload, and short circuit protection to safeguard connected equipment. The device is cooled by free air convection, eliminating the need for additional cooling components. Moreover, it undergoes 100% full load burn-in testing to verify quality and durability before shipment.
Compact encapsulated PCB mount design. Universal input voltage 85V AC to 264V AC. High efficiency up to 77%. Overvoltage, overload, and short circuit protections. Class II isolation and EMI filtering. Wide operating temperature range: -30°C to 70°C.
Certified to UL 62368-1, TUV BS EN 62368-1, IEC 62368-1. Resistance to vibration, dust, and moisture. Low no-load power consumption below 0.1W.
This IRM-05-3.3 switching power supply from MEAN WELL is well-suited for industrial machinery, factory automation equipment, and mechanical applications demanding reliable DC power conversion. Its robust design and certifications enable safe use in commercial and industrial environments.
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Frequently Asked Questions
This model provides a stable output voltage of 3.3V DC with a maximum output current of 1.25A.
The dimensions of this unit are 45.7mm in length, 25.4mm in width, and 21.5mm in depth.
The power supply has an efficiency rating of up to 77%, which helps reduce energy loss.
It conforms to multiple safety standards including UL 62368-1 and TUV BS EN 62368-1 certifications.
This model operates effectively within a temperature range of -30°C to 70°C.
It includes overvoltage, overload, and short circuit protection to safeguard connected equipment.
It is cooled by free air convection, eliminating the need for additional cooling components.
The gross weight of this unit is 40g.
This model is designed for PCB mounting.
It has a low no-load power consumption of below 0.1W, contributing to energy savings.
It is designed to withstand industrial environmental conditions, including vibration resistance up to 5G and protection against dust and moisture ingress.
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