MEAN WELL IRM-20-5 20W AC-DC Power Supply Module (5V 4A - PCB Mount)
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When your custom electronic device needs to plug directly into a standard wall outlet without relying on an external power adapter "brick," the MEAN WELL IRM-20-5 is the professional solution. This compact, PCB-mounted AC-DC module takes a universal AC input voltage and steps it down to a regulated 5-Volt DC output, providing up to 4 Amps of continuous current. Its miniature footprint makes it incredibly easy to integrate into compact enclosures, saving valuable board space while delivering a solid 20 Watts of total power.
Engineered for industrial and commercial reliability, the IRM-20-5 is fully encapsulated. Its flame-retardant plastic case is potted with silicone, providing excellent heat dissipation while completely protecting the internal electronics from dust, moisture, and intense physical vibration. Whether you are building smart home automation hubs, industrial control sensors, or custom Internet of Things devices, this module ensures your 5-Volt logic circuitry receives clean, safe power directly from the mains.
Key Features & Functional Advantages
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Direct AC to DC Conversion: Allows you to power your 5-Volt electronics directly from standard 110-Volt or 230-Volt AC mains without needing a bulky external wall transformer.
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PCB Mountable: Features standard through-hole pins designed to be soldered directly onto your custom printed circuit board, creating a seamless, all-in-one product design.
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Fully Encapsulated: The silicone-potted interior protects against dust, moisture, and vibrations, making it highly resilient in harsh industrial or outdoor environments.
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Ultra-Low Standby Power: Consumes less than 0.1 Watts of power when no load is connected, making it highly energy-efficient and compliant with strict global energy regulations.
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Comprehensive Protection: Features built-in safeguards against short circuits, overloads, and over-voltage conditions, ensuring both the power supply and your downstream electronics remain safe.
Perfect For
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Smart Home Devices: The ideal internal power supply for Wi-Fi relays, smart switches, and custom sensors that draw power directly from household wiring.
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Industrial Automation: Providing isolated, reliable 5-Volt logic power for factory control boards, mechanical equipment, and motor controllers.
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Hand-Held Electronics: Its compact size allows for the design of portable or mountable test equipment that requires an internal AC power converter.
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Custom Enclosures: Eliminating the need for external power jacks and adapters, allowing for a clean, single-cable power cord design for your DIY electronics.
Technical Specifications
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Device Type: AC to DC Power Supply Module
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Output Voltage: 5.0 Volts DC (Fixed)
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Maximum Output Current: 4.0 Amps
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Maximum Output Power: 20 Watts
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Input Voltage Range: 85 to 264 Volts AC (Universal)
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No-Load Power Consumption: Less than 0.1 Watts
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Operating Temperature Range: -30 to +70 degrees Celsius
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Dimensions: 52.4mm x 27.2mm x 24.0mm
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Mounting Style: PCB Through-Hole (4-Pin)
Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.
Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.