MEAN WELL IRM-05-3.3 Switching Power Supply 3.3V DC 4.1W 1.25A PCB Mount IRM-05-3.3

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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