At a glance
- Output Voltage
- 5 V DC
- Rated Output Current
- 600 mA
- Rated Output Power
- 3 W
- Input Voltage Range
- 85 V to 305 V AC
- Withstand Voltage
- I/P to O/P: 4.2 kV AC
- Efficiency (typ.)
- 72%
MEAN WELL IRM-03-5S PCB Mount Power Supply, 5 V, 600 mA, 3 W, SMD
Price on request
At a glance
- Output Voltage
- 5 V DC
- Rated Output Current
- 600 mA
- Rated Output Power
- 3 W
- Input Voltage Range
- 85 V to 305 V AC
- Withstand Voltage
- I/P to O/P: 4.2 kV AC
- Efficiency (typ.)
- 72%
Encapsulated module soldered onto a circuit board to give small devices such as controllers, sensors and handheld units their own supply from the mains. PCB mount power supply, 5 V, 600 mA, 3 W, SMD. Universal AC input, full range (85 V to 305 V AC).
Part of the MEAN WELL IRM-03 series. Compare all 7 models
Include the required quantity and configuration in your quote request. Price and availability will be confirmed in the quotation.
- WarrantyManufacturer warranty under MEAN WELL's terms: 3 years. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
What it is
The MEAN WELL IRM-03-5S is a PCB mount power supply from the IRM-03 series (3 W AC-DC High Reliable PCB-Mount Green Industrial Power Module), rated 5 V, 600 mA, 3 W, SMD.
What it is used for
Encapsulated AC-DC module soldered directly onto a circuit board to give a small device its own isolated low voltage supply from mains, for example inside controllers, sensors and smart switches. MEAN WELL lists applications such as industrial electrical equipment, mechanical equipment, factory automation equipment, handheld electronic devices.
Key features
- Universal AC input, full range (85 V to 305 V AC).
- No load power consumption below 0.075 W.
- Meets EN 55032 Class B without additional components.
- Operating temperature -30 °C to +85 °C.
- Protections: short circuit, overload, over voltage.
- Class II isolation (no FG pin), cooled by free air convection.
Key Specifications
- Output Voltage: 5 V DC.
- Rated Output Current: 600 mA.
- Rated Output Power: 3 W.
- Input Voltage Range: 85 V to 305 V AC; 120 V to 430 V DC.
- Withstand Voltage: I/P to O/P: 4.2 kV AC.
Buying considerations
Size the unit with headroom above the connected load and check the derating information in the datasheet for high ambient temperature or low input voltage. Other models in the same series are listed on this page.
Installation considerations
MEAN WELL treats this unit as a component of the final equipment, so approvals and EMC performance should be confirmed for the complete installation. Wiring and safety details are in the official datasheet linked below.
Features

Size and fit
- Weight
- 0.023 kg
- Dimensions
- 37 x 24 x 16 mm (L x W x H)
- Mounting
- PCB Mount
Technical specifications
Key facts
- What is it?
- PCB mount power supplyBrand MEAN WELL, model IRM-03-5S
- What does it output?
- 5 V DC, 600 mA, 3 W
- What input does it accept?
- 85 V to 305 V AC
- How does it mount?
- PCB Mount
- Which documents are available?
- Datasheet, certificate Open documents
RelatedSeriesMEAN WELL IRM-03 series, 7 modelsDocumentsAll MEAN WELL documents
Output
- Output Voltage Tolerance
- ±2.5%
- Output Voltage
- 5 V DC
- Rated Output Current
- 600 mA
- Output Current Range
- 0 to 600 mA
- Rated Output Power
- 3 W
- Ripple and Noise (max.)
- 100 mVp-p
- Efficiency (typ.)
- 72%
Input
- Input Voltage Range
- 85 V to 305 V AC; 120 V to 430 V DC
- Input Frequency Range
- 47 Hz to 63 Hz
Protection
- Withstand Voltage
- I/P to O/P: 4.2 kV AC
- Over Voltage Protection
- 5.2 V to 6.8 V
Environment
- Operating Temperature
- -30 °C to +85 °C (see derating curve)
- Operating Humidity
- 20% to 90% RH non-condensing
- Cooling
- Free air convection
Physical
- Weight
- 0.023 kg
- Mounting Style
- S: SMD style
- Dimensions
- 37 x 24 x 16 mm (L x W x H)
- Mounting
- PCB Mount
Approvals
- MTBF
- 10762.8K hrs min. Telcordia SR-332 (Bellcore); 2137.6K hrs min. MIL-HDBK-217F (25 °C)
Other
- Series
- IRM-03
- Warranty
- Manufacturer warranty under MEAN WELL's terms: 3 years. How claims work
Product attributes and shipping details
| Brand | MEAN WELL |
|---|---|
| Power Output | 3 W |
Downloads
Documentation
- IRM-03 series datasheetDatasheet · Family · meanwell.comDownload
Certificate and compliance document (1)
- IRM-03 CE declaration of conformityCertificate · Family · meanwell.comDownload
Series documents can differ from your exact model. Report a wrong or missing file
Questions about this product
What input voltage does the IRM-03-5S accept?
MEAN WELL lists 85 V to 305 V AC; 120 V to 430 V DC for this model.
Ask about this modelSetup, compatibility, what is in the box
Answers are automated. Do not enter personal or account details.
Looking for an alternative?
We list alternatives only when we have checked they suit the same job. Compare other models in the category, or ask us to suggest one for your site.



