Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well MDD01N-12 DC-DC Converter - 1W - 21.6~26.4V in ±12V 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 Voltage12 Volt
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Rated Current0.04 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 MDD01N-12 in a 24V industrial controller that needs a low-power plus/minus 12V supply?
Yes, if the source remains within 21.6~26.4V and the application needs a constant-voltage ±12V output. With a 1W rating and 0.04A output current, it is intended for small support circuitry rather than heavier loads.
Is this model a good fit for sensor interface or measurement electronics that require ±12V rails?
It can be used for low-power sensor interface, conditioning, or measurement stages that need ±12V and operate from a 24V-class input. The 0.04A output current indicates it is best for light auxiliary electronics.
Would the MDD01N-12 work in compact embedded or automation boards where space is limited?
Yes, the 19.5 × 12.5 × 9.8 mm package and 0.0042 kg weight make it suitable for compact board-level use. It is most appropriate where a 21.6~26.4V source must feed a small ±12V rail.
What are the output differences between the MDD01N-12 and its sibling models?
The listed MDD01N family includes MDD01N-05 at 5V and 100A, MDD01N-05N at 5V and 9A, MDD01N-09 at 9V and 0.06A, MDD01N-12N at 12V and 9A, MDD01N-15 at 15V and 0.03A, and MDD01N-15N at 15V and 9A. This MDD01N-12 version is specified for 12V output at 0.04A, with all listed models rated at 1W.
Can the MDD01N-12 be used in outdoor equipment cabinets or cold/hot environments?
The operating temperature range is -40°C to +85°C, so it supports use across both low and high ambient temperatures. No IP rating is shown in the provided data, so direct outdoor exposure or water ingress performance is not specified.
