Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well IOB-15-03C AC-DC On Board Type Power Module 9.9W 3.3V, Vertical
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Description
Description
Features:
- Assemble on the main PCB of the system
- 1.75"x0.86" compact size
- 85~305Vac input (277Vac available)
- No load power consumption <0.25W
- -40~85℃ wide operating temperature
- Protections: Short circuit / Overload / Over voltage
- Cooling by free air convection
- Safety Class Ⅱ
- 3 years warranty
General Specification:
Input Voltage
85 - 305Vac 100 - 430Vdc
Ripple and Noise
150mV
Short Circuit Protection
Protection type : Continuous, automatic recovery, Hiccup mode
Inrush Current
18A/115Vac 35A/230Vac
Over Load Protection
>110% rated output power
Protection type : Hiccup mode, recovers automatically after fault condition is removed
Over Voltage Protection
9Vdc | 9Vdc | 12Vdc | 16Vdc | 20Vdc | 30Vdc
Protection type: Output voltage clamp
Withstand Voltage
I/P-O/P:3KVac leakage current <5mA
Working Temperature
-40 - +85℃ (Refer to "Derating Curve")
Safety Standard
LVD IEC62368-1 approved
Dimension (LxWxH)
44.5 x 24 x 15mm (1.039 x 0.579 x 0.433 inch)
Specifications
Specifications
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BrandMean Well
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SeriesMean Well IOB Series
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Power Rating9.9 Watt
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Output Voltage5 Volt
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Rated Current3 Ampere
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Input Voltage85V~305V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EAC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length1.75 in
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Width0.98 in
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Height0.59 in
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Weight0.02 lb
File Downloads
File Downloads
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Payment & Security
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Frequently Asked Questions
What kinds of equipment is the Mean Well IOB-15-03C best suited for?
The IOB-15-03C is designed for compact embedded equipment that needs an on-board AC-DC power module rather than a larger enclosed supply. Its vertical, PCB-mount form factor and 9.9W rating make it a practical fit for space-constrained industrial, control, and electronic system designs.
What makes the IOB-15-03C different from a larger enclosed AC-DC power supply?
This model is an on-board type power module intended to be assembled directly within the host system, so it targets compact internal power conversion rather than standalone power supply use. Its 44.5 x 24 x 15 mm size and vertical profile help reduce the footprint compared with bulkier chassis-style supplies.
Is the IOB-15-03C suitable for equipment used in a wide temperature range?
Yes. Mean Well specifies an operating temperature range of -40 to +85 degrees C, which makes this model suitable for demanding environments where ambient conditions can vary significantly. That range is useful for industrial and commercial equipment that may face cold starts or elevated internal temperatures.
Can the IOB-15-03C be used in products sold into different input-voltage regions?
Yes. The module supports a wide 85 to 305Vac input range, with 277Vac availability noted, so it is well suited for products intended for multiple mains environments. It also supports 100 to 430Vdc input, which adds flexibility for certain DC-fed systems.
What protection and safety features are included in the IOB-15-03C?
This model includes short circuit, overload, and over-voltage protection, with automatic recovery behavior noted for fault conditions. It is also specified as Safety Class II and approved to IEC62368-1, which is relevant for buyers evaluating protection and compliance requirements.
