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MEAN WELL Switching Power Supply 5V DC, 3W, 430V DC, 305V AC IRM-03-5S

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MEAN WELL Switching Power Supply 5V DC, 3W, 430V DC, 305V AC IRM-03-5S

Name: MEAN WELL Switching Power Supply 5V DC, 3W, 430V DC, 305V AC IRM-03-5S
Brand: MEAN WELL
SKU: 93982

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Category Switching Power Supplies Brand MEAN WELL Condition New

Specifications

Country of Origin	India
Brand	MEAN WELL
Power	3W
Efficiency	72%
Length	37mm
Model	IRM-03-5S
Depth	16mm
Gross Weight	20g
Width	24mm
Mount Type	Surface
EMC Immunity	Compliance to EN61000-4-2, 3, 4, 5, 6, 8, 11, EN55024, heavy industry level (surge L-N: 1 KV), criteria A
Series	IRM
Maximum Operating Temperature	85°C
Minimum Operating Temperature	-30°C
Number of outputs	1
Maximum Input Voltage	430, 305V dc
Maximum Output Voltage	5V dc
SMPS Output Current	600mA
Minimum Input Voltage	85V ac
EMC Emission	Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3

Key Features

High efficiency of up to 80% depending on model.
Compact and robust encapsulated design for PCB mounting.
Universal input voltage range from 85V AC to 305V AC.
Features overvoltage, overload, and short circuit protection.
Cooled by free air convection without need for additional cooling devices.
Isolation Class II to ensure user safety.
Complies with EMC and safety standards including UL, TUV, IEC, and EN.
Low no-load power consumption below 0.075W for energy saving.

Product Description

MEAN WELL IRM-03-5S is a high-performance switching power supply delivering 5V DC output at 3 watts power. It operates efficiently over a universal input voltage range of 85V AC to 305V AC and a maximum input of 430V DC, supporting industrial and commercial applications.

Constructed with a phenolic case and fully potted silicone, the IRM-03-5S power supply offers solid resistance against vibrations up to 5G, dust, and moisture, enhancing durability and heat dissipation. This encapsulated AC-DC module is surface mountable, designed to solder directly onto PCB boards for space-efficient integration.

With a compact form factor measuring 37mm length, 24mm width, and 16mm depth, and weighing just 20 grams, it fits ideal for tight spaces and portable devices. The unit delivers a 600mA output current with a high efficiency of approximately 72% and maintains low standby power consumption below 0.075W, supporting green energy requirements.

Protection features include overvoltage, overload, and short circuit safeguards, assuring stable and reliable performance. The IRM series complies with Class II insulation standards and electromagnetic compatibility (EMC) regulations such as EN55022 Class B and UL 62368-1, guaranteeing safety and minimal interference.

Applications for this power supply include handheld electronic devices, factory automation equipment, mechanical and industrial electrical equipment, where compact size and robust performance are essential.

High efficiency of up to 80% depending on model. Compact and robust encapsulated design for PCB mounting. Universal AC input range from 85V AC to 305V AC with max voltage 430V DC. Overvoltage, overload and short circuit protection ensures safety.

Class II isolation and excellent EMI/EMC filtering characteristics. Operating temperature range from -30°C to 85°C supports diverse environments. Convection cooled requiring no additional fan or cooling system. Low no-load power consumption of less than 0.075W improves energy efficiency.

The MEAN WELL IRM-03-5S switching power supply is an ideal choice for industrial, laboratory, construction, and manufacturing settings requiring reliable and compact power delivery solutions. Explore EnvMart's full range for additional power supply and transformer options to suit your application needs.

Explore more products in our Switching Power Supplies category.