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Mean Well MDD03F-05 Medical Grade DC/DC Converter 3W - 9-36V input, 5 and -5V output 300mA

5V3WDC/DCMedical Grade

SKU:

MDD03F-05

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The MDD03F is a 3W Mean Well power converter (input range: 9~36Vdc).

Key Features

✓ Input voltage range: 9~36Vdc
✓ 6KVDC reinforced I/O isolation
✓ Protections: Short circuit / Overload
✓ Safety approvals: IEC60601-1(LVD) 3 edition, EAC TP TC 004
✓ 3 years warranty

Frequently Asked Questions

Can I use the MDD03F-05 in medical or healthcare equipment that needs a small isolated +/-5V supply?

This model is specifically listed as medical grade and provides constant-voltage 5 and -5V output. With 3W power and 0.3A output current, it fits low-power medical or healthcare electronics that need a compact auxiliary rail.

Is the MDD03F-05 suitable for embedded controllers or sensor modules running from a wide input range?

Yes, it is designed for applications that need a broad 9-36VAC input range and a low-power +/-5V output. The 3W rating and 31.8 x 20.3 x 12.2 mm size make it practical for embedded control or instrumentation sections with limited board space.

Can this converter be used in industrial monitoring or data-acquisition equipment that needs +/-5V rails?

It can be used where the load fits within the 3W output and 0.3A current rating and a constant-voltage 5 and -5V output is required. That profile matches low-power monitoring, measurement, and interface circuitry rather than higher-draw subsystems.

Is the MDD03F-05 meant for outdoor installation?

The listed specs do not show an IP rating, so it should not be treated as outdoor-rated on its own. Its environmental capability is the -40°C to +90°C operating range, while moisture and dust protection would need to come from the equipment enclosure.

How does the MDD03F-05 compare with the other MDD03F models?

The MDD03F family keeps the same 3W platform and wide 9-36VAC input while changing the output setpoint: MDD03F-05 is 5V at 0.3A, MDD03F-12 is 12V at 0.12A, and MDD03F-15 is 15V at 0.1A. Selection within this family is mainly based on the output voltage and listed current requirement.

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Model	Power	Voltage	Current	IP Rating
Mean Well MDD03G-15 Medical Grade DC/DC Converter 3W - 18-75V input, 15 and -15V output 100mA	3W	15V	0.1A	Indoor	View
Mean Well MDD03G-12 Medical Grade DC/DC Converter 3W - 18-75V input, 12 and -12V output 125mA	3W	12V	0.12A	Indoor	View
Mean Well MDD03G-05 Medical Grade DC/DC Converter 3W - 18-75V input, 5 and -5V output 300mA	3W	5V	0.3A	Indoor	View
Mean Well MDD03F-15 Medical Grade DC/DC Converter 3W - 9-36V input, 15 and -15V output 100mA	3W	15V	0.1A	Indoor	View
Mean Well MDD03F-12 Medical Grade DC/DC Converter 3W - 9-36V input, 12 and -12V output 125mA	3W	12V	0.12A	Indoor	View

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Mean Well MDD03F-05 Medical Grade DC/DC Converter 3W - 9-36V input, 5 and -5V output 300mA

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Mean Well MDD03F-05 Medical Grade DC/DC Converter 3W - 9-36V input, 5 and -5V output 300mA

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