Over 15 years experience of providing support of MEAN WELL Power Supplies
Image shown is a representation only. Exact specifications should be obtained from the product datasheet.
Mean Well MDD01N-12 DC-DC Converter - 1W - 21.6~26.4V in ±12V 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
-
BrandMean Well
-
SeriesMDD Series
-
Power Rating1 Watt
-
Output Voltage12 Volt
-
Rated Current0.04 Ampere
-
Input Voltage21.6V~26.4V
-
No of Output2
-
Dimming ControlNone
-
Standards MetCE,EAC,EMC,LVD,UL
-
Operation ModeConstant Voltage
-
Operating Temperature-40°C~85°C
-
Warranty3 Year
-
Length0.77 in
-
Width0.49 in
-
Height0.39 in
-
Weight0.01 lb
File Downloads
File Downloads
::specification::
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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.
