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MEAN WELL IRM-03-9S Switching Power Supply 9V DC 3W Universal 85-305V AC Input IRM-03-9S
Specifications
| Country of Origin | India |
|---|---|
| Brand | MEAN WELL |
| Power | 3W |
| Efficiency | 77% |
| Length | 37mm |
| Model | IRM-03-9S |
| 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 | 9V dc |
| SMPS Output Current | 333mA |
| Minimum Input Voltage | 85V ac |
| EMC Emission | Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 |
Key Features
- Provides a maximum output voltage of 9V DC at 3 watts power rating.
- Supports universal AC input voltage range from 85V AC to 305V AC.
- Features protection against overvoltage, overload, and short circuit conditions.
- Constructed with a phenolic case and fully potted silicone for vibration and moisture resistance.
- Suitable for industrial, factory automation, and handheld electronic device applications.
- Compact dimensions of 37mm (L) x 24mm (W) x 16mm (D) enable PCB surface mounting.
- Operating temperature range from -30°C up to 85°C ensures reliability in harsh environments.
- High efficiency of approximately 77% and low no-load power consumption below 0.075 W help reduce energy costs.
Product Description
MEAN WELL IRM-03-9S Switching Power Supply is a 3 watt, 9V DC output, surface mount AC-DC power supply designed for compact electronic devices and industrial equipment.
This power supply features a robust phenolic case construction fully potted with silicone, providing excellent resistance to vibration up to 5G as well as dust and moisture ingress, enhancing operational reliability.
The device supports a wide universal input voltage range from 85 to 305 volts AC or up to 430 volts DC, enabling worldwide applicability. It delivers a regulated DC output current of 333mA with protection mechanisms including overvoltage, overload, and short circuit protection for safe operation.
Compact dimensions of 37mm length, 24mm width, and 16mm depth allow direct PCB surface mounting, suitable for miniature electronic assemblies and factory automation systems.
With an operating temperature range from -30°C to +85°C, it is suitable for demanding industrial environments. The power supply is cooled by free air convection, eliminating the need for additional cooling components.
High efficiency around 77% supports energy saving and reduced heat generation. Low no-load power consumption below 0.075 W complies with worldwide energy consumption regulations. Meets safety standards including UL60950-1 and TUV EN60950, and EMC standards such as EN55022 Class B.
Class II design includes built-in EMI and EMC filtering to reduce electromagnetic interference. Applications include handheld electronic devices, factory automation equipment, and industrial electrical equipment. This switching power supply offers a reliable, energy-efficient solution for low power AC to DC conversion needs in industrial, commercial, and electronic instrument applications.
Explore a wide range of power supplies and transformers in the Electronics & Electricals category at EnvMart for industrial and laboratory power solutions.
Explore more products in our Switching Power Supplies category.
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Frequently Asked Questions
The maximum output voltage is 9V DC.
It has a power rating of 3 watts.
The dimensions are 37mm in length, 24mm in width, and 16mm in depth.
It operates effectively within a temperature range from -30°C to +85°C.
This unit is designed for surface mounting on a PCB.
It includes protection against overvoltage, overload, and short circuit conditions.
The efficiency is approximately 77%.
It is constructed with a phenolic case and fully potted with silicone for moisture and vibration resistance.
It complies with EN55022 Class B and other EMC standards such as EN61000-3-2 and EN61000-3-3.
It is suitable for handheld electronic devices, factory automation equipment, and industrial electrical equipment.
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