Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well MDS01L-03 DC-DC Converter - 1W - 4.5~5.5V in 3.3V out
Description
Description
Features
| SI7 package with international standard pinout |
| Operating temperature range -40~+85℃ |
| 4:1 wide input range |
| Medical safety approved(2xMOPP) according to IEC60601-1 |
| Low patient leakage current <5µA |
| Protections: Short circuit(Continuous)/Overload |
| 6KVDC or 4.2KVAC high I/O isolation(Reinforced isolation) |
| Low cost |
| 3 years warranty |
General Specification
| Voltage accuracy | ±5.0% |
| Efficiency | 82% |
| Short circuit protection | 3-second max |
| Working temperature | -40°C to +85°C |
| EMC | Compliance to EN55011 class A, EN61000-4-2,3,4,5,6,8 |
| Temp. Coefficient | 0.02% / ℃ (0 ~ 85℃) |
| Dimension (LxWxH) (mm) | 19.5*9.8*12.5mm |
Specifications
Specifications
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BrandMean Well
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SeriesMDS Series
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Power Rating1 Watt
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Output Voltage3.3 Volt
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Rated Current0.30 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,EAC,EMC,LVD,UL
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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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Length0.77 in
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Width0.49 in
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Height0.39 in
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Weight0.01 lb
File Downloads
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Payment & Security
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Frequently Asked Questions
Can I use the MDS01L-03 for a low-power 3.3V embedded controller or sensor board?
Yes, this model is a constant-voltage DC-DC converter with a 3.3V output and 1W power rating. It is suited to low-power embedded electronics, compact sensor boards, and control circuits that specifically require 3.3V within that 1W limit.
Is the MDS01L-03 a good fit for industrial monitoring electronics that run on 3.3V?
It can fit industrial monitoring or signal-processing electronics that need a regulated 3.3V output and stay within 1W. The compact 19.5 × 12.5 × 9.8 mm size also makes it easier to use where board space is limited.
Can this converter be used in automation equipment with low-power 3.3V logic sections?
Yes, it is appropriate for low-power 3.3V logic sections in automation or control equipment when the load fits a 1W converter. Its constant-voltage operation is intended for electronics that need a stable 3.3V output rather than a variable supply.
Is the MDS01L-03 suitable for indoor or outdoor equipment?
The operating temperature range is -40°C to +85°C, which supports use across a wide temperature span. However, no IP rating is listed in the provided specs, so exposed outdoor use or washdown environments should not be assumed from the spec sheet alone.
How does the MDS01L-03 compare with the other MDS01L 1W models?
All listed MDS01L siblings are 1W models, but the outputs differ: MDS01L-03N is 3.3V and 30A, MDS01L-05 is 5V and 200A, MDS01L-05N is 5V and 30A, MDS01L-12 is 12V and 0.08A, MDS01L-12N is 12V and 26A, MDS01L-15 is 15V and 0.07A, and MDS01L-15N is 15V and 29A. The MDS01L-03 itself is the 3.3V, 303A version in that group.
