MEAN WELL IRM-01-3.3 Switching Power Supply 3.3V DC 1W PCB Mount Encapsulated IRM-01-3.3

MEAN WELL IRM-01-3.3 is a reliable switching power supply designed with a compact phenolic case and fully potted silicone construction to provide high durability and excellent heat dissipation. It is a single output, 1 W power supply providing a stable 3.3V DC output, suitable for PCB mounting.

The power supply supports a wide universal AC input range from 85V AC to 305V AC and can also handle a maximum input voltage of up to 430V DC. Operating temperature range from -30°C to 85°C allows it to perform efficiently in demanding industrial conditions. It is cooled via free air convection, eliminating the need for additional cooling components.

Designed as a Class II power supply with high efficiency reaching up to 77%, it features overvoltage, overload, and short circuit protections to ensure safety and reliability. The built-in EMI filters and EMC conformity reduce electromagnetic interference, making it compliant with multiple international standards including UL60950-1 and TUV EN60950-1.

Applications include handheld electronic devices, factory automation equipment, mechanical and industrial electrical equipment. The compact size and standard PCB mounting make it easy to integrate into various electronic and industrial systems.

This power supply features a compact phenolic case with full silicone potting for durability and heat dissipation. It supports universal input voltage from 85V AC to 305V AC and a maximum input voltage of 430V DC. Designed to operate in temperatures from -30°C to 85°C ensuring reliable performance in varied environments.

Incorporates overvoltage, overload, and short circuit protections for enhanced safety and stability. Achieves an efficiency of up to 77%, complying with global energy standards. Includes built-in EMI filtering and meets EMC requirements to prevent electromagnetic interference.

Suitable for integration on PCB boards with standard mounting and cooled by free air convection. Ideal for handheld electronic devices, factory automation, industrial electrical and mechanical equipment applications. Certified compliant with EAC TP TC 004, UL 62368-1, TUV BS EN/EN 62368-1, and IEC 62368-1 safety standards.

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