• Output Power: 3 W
• Output Voltage: 9 V DC
• Output Current: 333 mA
• Input Voltage Range: 85 – 305 V AC / 120 – 430 V DC, 47 – 63 Hz
• Efficiency: 77 %
• Ripple & Noise: max. 100 mVp-p
• Inrush Current: 10 A @115 VAC / 20 A @230 VAC
• No-load Power Consumption: < 0.075 W
• Operating Temperature: −30 °C to +85 °C
• Cooling: Free air convection
• Protection Functions: Short circuit, Overload, Over voltage
• Overvoltage Category: OVC II
• Isolation Voltage: 4200 V AC between Input and Output
• Dimensions (L x W x H): 37 mm x 24 mm x 15 mm
• Weight: approx. 23 g
• Safety & EMC Certificates: UL62368-1, EN60335-1, EN61558-1/-2-16, CB, EAC, CE
• Vibration Resistance: 5G
• Manufacturer Warranty: 3 years

Information about the MEAN WELL IRM-03-9

The MEAN WELL IRM-03-9 is a high-precision 3W miniature AC-DC power module designed for direct PCB mounting, offering a stable 9V output. This module is specifically built to handle the rigorous demands of industrial electrical equipment and factory automation where PCB real estate is limited. Its Class II design operates without a functional ground pin, significantly reducing the complexity of circuit layouts. To ensure long-term durability, the internal electronics are encased in a phenolic housing and fully encapsulated with silicone, providing a high degree of thermal conductivity and anti-vibration resistance up to 5G, while effectively shielding the unit from moisture and dust.

In addition to its rugged hardware, the IRM-03-9 is an exceptionally eco-friendly power solution, featuring a no-load power consumption of less than 0.075W. This allows the module to easily surpass global energy efficiency standards, making it a perfect fit for IoT applications and handheld electronic devices. The unit supports a universal input range from 85 to 305VAC, ensuring reliable performance across different international power grids. With built-in EMI filtering that complies with BS EN/EN55032 Class B, the IRM-03-9 maintains superior electromagnetic compatibility, preventing interference with sensitive electronic components while offering comprehensive protection against short circuits and overloads.