Mean Well IRM-90 AC/DC PCB Mount Power Supply 24V 3.75A 90W

The Mean Well IRM-90 is a compact, high-efficiency 90W AC-DC power supply module designed for direct PCB mounting in a wide range of electronic and industrial applications. Its miniature dimensions of 87 x 52 x 29.5 mm make it an ideal choice for space-constrained designs, providing reliable power conversion without compromising on performance.

This module accepts a universal input voltage range of 80–305V AC, offering exceptional flexibility for use in different regions and under varying mains conditions. It is engineered for high efficiency, achieving up to 93%, which minimises heat generation and energy loss. Furthermore, its extremely low no-load power consumption of less than 0.21W helps end products meet stringent global energy efficiency regulations.

Constructed with a 94V-0 flame-retardant plastic case and fully potted in silicone, the unit is protected against dust and moisture while enhancing heat dissipation and meeting anti-vibration demands. Its Class II design (without a functional earth pin) incorporates built-in EMI filtering, ensuring compliance with EN55032 Class B emissions standards without the need for additional external components. This superior EMC performance protects sensitive electronic equipment from electromagnetic interference.

The power supply includes comprehensive protections against short circuit, overload, and over-voltage conditions. It is designed for reliable operation in a wide temperature range from -30°C to +80°C and can function at altitudes up to 4,000 metres. Capable of delivering a peak power of 100W for 10 seconds, it offers robust performance for demanding start-up or transient loads.

Key Specifications:

• Output: 24V DC at 3.75A (90W continuous)
• Input: 80–305V AC universal
• Efficiency: Up to 93%
• No-Load Consumption: < 0.21W
• Protections: Short circuit, overload, over-voltage
• Cooling: Free aircon