Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
The SPU03N is a 3W Mean Well power converter (input range: 4.5~5.5V, operating temperature: -40~+90℃).
Key Features
- ✓ Input voltage range: 4.5~5.5V
- ✓ 3KVDC reinforced I/O isolation
- ✓ Wide operating temperature: -40~+90℃
- ✓ Protections: Short circuit / Overload
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesSPU Series
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Power Rating3 Watt
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Output Voltage12 Volt
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Rated Current0.25 Ampere
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Input Voltage4.5V~5.5V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EMC,FCC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~90°C
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Warranty2 Year
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Length0.77 in
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Width0.4 in
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Height0.3 in
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Weight0.01 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the SPU03N-05 to generate 12V for low-power industrial control or monitoring circuits from a 4.5~5.5V source?
Yes. This model provides a constant-voltage 12V output and is rated for 3W, so it fits low-power industrial control, monitoring, or signal-conditioning loads that need 12V within that power limit. Its specified input range is 4.5~5.5V.
Is the SPU03N-05 suitable for embedded boards that need a compact 12V rail from a 5V-class input?
It is designed for that kind of low-power conversion. The unit takes 4.5~5.5V input, delivers 12V constant voltage, and measures 19.6 x 10.2 x 7.5 mm, which supports space-constrained embedded designs. The 3W rating sets the load ceiling.
Can this converter be used in automation equipment with wide ambient temperature swings?
The operating temperature range is -40°C to +90°C, so it is specified for demanding automation environments with large temperature variation. It is still a 3W converter, so the application needs to stay within that output capacity. CE and FCC certifications are listed.
Is the SPU03N-05 appropriate for outdoor or washdown environments?
The listed specs include an operating temperature range of -40°C to +90°C, but no IP rating is provided. That means the product page does not specify protection against water or dust exposure. Based on the listed data, temperature capability is defined, but enclosure protection is not.
How does the SPU03N-05 compare with the other SPU03N models?
All three listed SPU03N models are rated at 3W. The SPU03N-05 is specified as 4.5~5.5V in, 12V out, 250A; the SPU03N-12 is listed as 3W, 15V, 200A; and the SPU03N-15 is listed as 3W, 15V, 200A. This model also shares the 19.6 x 10.2 x 7.5 mm size, -40°C to +90°C operating range, and 2-year warranty shown for the series entry.
Other SPU03 Models
8 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well SPU03N-15 DC-DC Converter - 3W - 21.6~26.4V in 15V out | 3W | 15V | 0.2A | Indoor | $6.81 | View |
| Mean Well SPU03N-12 DC-DC Converter - 3W - 10.8~13.2V in 15V out | 3W | 15V | 0.2A | Indoor | $6.81 | View |
| Mean Well SPU03M-15 DC-DC Converter - 3W - 21.6~26.4V in 12V out | 3W | 12V | 0.25A | Indoor | $6.81 | View |
| Mean Well SPU03M-12 DC-DC Converter - 3W - 10.8~13.2V in 12V out | 3W | 12V | 0.25A | Indoor | $6.81 | View |
| Mean Well SPU03M-05 DC-DC Converter - 3W - 4.5~5.5V in 5V out | 3W | 5V | 0.6A | Indoor | $6.81 | View |
| Mean Well SPU03L-15 DC-DC Converter - 3W - 21.6~26.4V in 5V out | 3W | 5V | 0.6A | Indoor | $6.81 | View |
| Mean Well SPU03L-12 DC-DC Converter - 3W - 10.8~13.2V in 5V out | 3W | 5V | 0.6A | Indoor | $6.81 | View |
| Mean Well SPU03L-05 DC-DC Converter - 3W - 4.5~5.5V in 15V out | 3W | 15V | 0.2A | Indoor | $6.81 | View |
