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Mean Well MPM-20-3.3 Power Supply 20W 3.3V
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Mean Well MPM-20-3.3 Power Supply 20W 3.3V
Touch current<80 μA/264VAC
Key Features
- ✓2.06"x1.07" compact size
- ✓Medical safety approved(2 x MOPP) according to ANSI/AAMI ES60601-1 and IEC/BS EN/EN60601-1
- ✓Suitable for BF application with appropriate system consideration
- ✓No-load power consumption<0.1W
- ✓Extremely low leakage current
- ✓Wide operating temp. range -35~+85°C
- ✓EMI Class B for class II configuration
- ✓Protections: Short circuit/ Overload/ Over voltage/Over temperature
- ✓No minimum load required
- ✓3 years warranty
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BrandMean Well
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SeriesMPM Series
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Power Rating14.9 Watt
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Output Voltage3.3 Volt
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Rated Current4.5 Ampere
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Input Voltage80V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-35°C~85°C
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Warranty3 Year
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Length2.06 in
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Width1.07 in
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Height0.94 in
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Weight0.12 lb
::specification::
Frequently Asked Questions
Can I use the MPM-20-3.3 for a 3.3V embedded controller or SBC inside industrial equipment?
Yes, this model provides constant 3.3V output up to 4.5A, with 14.9W total power available. That makes it suitable for embedded 3.3V electronics as long as the full load stays within those limits.
Is the MPM-20-3.3 a good fit for 3.3V I/O boards and low-voltage automation electronics?
It can be a fit for 3.3V automation boards, logic cards, and similar electronics that need a fixed 3.3V rail and draw up to 4.5A. The wide 80-264VAC input is also useful where the AC source may vary by region or installation.
Can this power a 3.3V communications or processor board in a compact control enclosure?
Yes, if the board or combined 3.3V load is within 14.9W and 4.5A. Its 52.4 × 27.2 × 24.0 mm dimensions and encapsulated form factor are suited to compact enclosed assemblies.
Would the MPM-20-3.3 make sense for medical or laboratory electronics using 3.3V logic power?
It can fit that type of low-voltage rail because it is medical safety approved and delivers a constant 3.3V output. The load still needs to remain at or below 4.5A and 14.9W.
Can the MPM-20-3.3 be used where ambient temperatures change a lot?
The specified operating range is -35°C to +85°C, so the temperature rating covers a wide span. No IP rating is shown, so the listing does not describe sealed outdoor protection and the surrounding enclosure matters for environmental exposure.
How does the MPM-20-3.3 compare with other 3.3V models in the MPM line?
The listed 3.3V siblings are MPM-05-3.3 at 4.1W and 1.25A, MPM-10-3.3 at 8.3W and 2.5A, MPM-15-3.3 at 11.6W and 3.5A, MPM-20-3.3 at 14.9W and 4.5A, and MPM-30-3.3 and MPM-30-3.3ST at 19.8W and 6A. The MPM-20-3.3 sits above the 5W, 10W, and 15W versions but below the 30W versions.
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Other MPM-20 Models
4 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well MPM-20-5 Power Supply 20W 5V | 20W | 5V | 4A | Indoor | $16.36 | View |
| Mean Well MPM-20-24 Power Supply 20W 24V | 21.6W | 24V | 0.9A | Indoor | $15.89 | View |
| Mean Well MPM-20-20 Power Supply 20W 15V | 21W | 15V | 1.4A | Indoor | $16.36 | View |
| Mean Well MPM-20-12 Power Supply 20W 12V | 21.6W | 12V | 1.8A | Indoor | $16.36 | View |
