Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well MDD01N-09 DC-DC Converter - 1W - 21.6~26.4V in ±9V out
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Description
Description
The MDD01N is a 1W 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 Rating1 Watt
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Output Voltage9 Volt
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Rated Current0.05 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
File Downloads
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Payment & Security
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Frequently Asked Questions
Can I use the MDD01N-09 for a 24V automation panel that needs a small plus/minus 9V rail?
Yes, this model is intended for low-power circuits that need ±9V from a 21.6~26.4V input range. Its 1W rating and 0.06A output current make it appropriate for small analog, sensing, or interface sections rather than larger loads.
Is the MDD01N-09 suitable for powering a compact analog front end in embedded equipment?
It is a reasonable fit when the analog front end needs constant-voltage ±9V and the available source stays within 21.6~26.4V. The small 19.5 × 12.5 × 9.8 mm footprint supports dense embedded layouts.
Would this converter work for low-power signal-processing or measurement circuitry on a 24V system?
Yes, provided the circuitry stays within the model's 1W power capacity and 0.06A output current. That makes it more suitable for measurement, conditioning, or low-level electronics than for higher-current field devices.
How does the MDD01N-09 compare to the other MDD01N versions?
All listed MDD01N variants are 1W models, but the output options differ: MDD01N-05 is 5V at 100A, MDD01N-05N is 5V at 9A, MDD01N-12 is 12V at 0.04A, MDD01N-12N is 12V at 9A, MDD01N-15 is 15V at 0.03A, and MDD01N-15N is 15V at 9A. The MDD01N-09 provides 9V output at 0.06A.
Is the MDD01N-09 appropriate for outdoor or extreme-temperature applications?
The converter is rated for operation from -40°C to +85°C, which supports use in equipment exposed to substantial temperature swings. However, the provided specs do not list an IP rating, so exposed wet or outdoor use is not specifically defined here.
