Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well MDD02N-12 DC-DC Converter - 2W - 21.6~26.4V in ±12V out 83mA
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Description
Description
The MDD02N is a 2W Mean Well power converter (input range: 4.5~5.5Vdc).
Key Features
- ✓ Input voltage range: 4.5~5.5Vdc
- ✓ 6KVDC reinforced I/O isolation
- ✓ Protections: Short circuit
- ✓ Safety approvals: UL60601-1, EAC TP TC 004
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesMDD Series
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Power Rating2 Watt
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Output Voltage12 Volt
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Rated Current0.08 Ampere
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Input Voltage21.6V~26.4V
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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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Length1.95 cm
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Width1.25 cm
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Height0.98 cm
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Weight0 kg
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Payment & Security
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Frequently Asked Questions
Can I use the MDD02N-12 in a 24V industrial control cabinet that needs isolated +/-12V rails for analog or interface circuits?
It can fit 24V-class control systems that stay within the converter's 21-26VAC input range and need constant-voltage +/-12V output. The available output is 2W total with 0.08A output current, so it is suited to low-power analog, sensing, or interface sections rather than heavier loads.
Is the MDD02N-12 appropriate for embedded control boards that need a small +/-12V auxiliary supply?
This model is sized for compact embedded designs because it provides 2W in a 19.5 x 12.5 x 9.8 mm package. Its +/-12V constant-voltage output and 0.0042 kg weight make it a fit for low-power onboard auxiliary rails where space is limited.
Can this converter be used for low-power instrumentation or signal-conditioning circuits in automation equipment?
Yes, it is aligned with low-power instrumentation use where a regulated +/-12V rail is needed and the load stays within 2W and 0.08A. The -40°C to +85°C operating range also supports use in demanding industrial temperature conditions.
Is the MDD02N-12 suitable for outdoor equipment or washdown environments?
The listed specs do not include an IP rating, so this converter should not be treated as outdoor- or washdown-rated by itself. Its environmental data is the -40°C to +85°C operating range; enclosure-level protection would need to come from the host system.
How does the MDD02N-12 compare with the other MDD02N models?
Within the MDD02N series, all listed models are 2W parts with different outputs: MDD02N-05 is 5V, 200A; MDD02N-05N is 5V, 11A; MDD02N-09 is 9V, 111A; MDD02N-12 is 12V, 0.08A; MDD02N-12N is 12V, 10A; MDD02N-15 is 15V, 0.07A; and MDD02N-15N is 15V, 10A. The main selector in this group is the output voltage and listed output current for the required rail.
