• Output Power: 3 W
• Output Voltage: 5 V DC
• Output Current: 600 mA
• Input Voltage Range: 85 – 305 V AC / 120 – 430 V DC, 47 – 63 Hz
• Efficiency: 72 %
• 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 (Input to 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
• Mounting Style: SMD (Surface Mount Device)
• Manufacturer Warranty: 3 years

Information about the MEAN WELL IRM-03-5S

The MEAN WELL IRM-03-5S is a 3W miniature AC-DC SMD-type power supply module designed for high-precision surface mount assembly on printed circuit boards. This compact 5V power solution is specifically engineered for industrial electrical equipment and handheld electronic devices where space-saving design is paramount. As a Class II isolation device, it functions without a functional ground pin, simplifying board layouts while maintaining high safety standards. The module is encapsulated in a flame-retardant phenolic case with silicone potting, which ensures excellent heat dissipation and provides 5G anti-vibration resistance alongside protection against dust and humidity.

Beyond its physical robustness, the IRM-03-5S is an environmentally friendly power module featuring an exceptionally low no-load power consumption of less than 0.075W. This high efficiency allows it to meet global green energy regulations for standby power requirements. The unit operates reliably within a universal input range of 85 to 305Vac, making it compatible with power grids worldwide. Equipped with built-in EMI filtering that complies with BS EN/EN55032 Class B, the IRM-03-5S provides a clean and stable output, protecting sensitive downstream components from electromagnetic interference while offering comprehensive short circuit and overload protection.