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Mean Well SMU02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

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SMU02N-05

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The SMU02N is a 2W Mean Well power converter (input range: 4.5~5.5V, operating temperature: -40~+85℃).

Key Features

✓ Input voltage range: 4.5~5.5V
✓ 1.5KVDC reinforced I/O isolation
✓ Wide operating temperature: -40~+85℃
✓ Protections: Short circuit / Overload
✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE ℃ -55 ~ +125 ℃ ± , 10 ~ 95% RH ℃ ) (0 ~ 50 0.05% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004
✓ 3 years warranty

Frequently Asked Questions

Can I use the SMU02N-05 in a 24V control panel to power 5V logic boards?

It is intended for systems with a 21-26VAC input and provides a 5V constant voltage output. With a 2W rating and 400A listed output current, it fits low-power 5V control, embedded, or automation logic loads rather than higher-power devices.

Is the SMU02N-05 suitable for small embedded controllers or sensor interface circuits?

Yes, this model is aimed at low-power 5V electronics that need to run from a 21-26VAC source. The 2W output makes it a fit for compact embedded controller sections, interface boards, and similar low-demand industrial electronics.

Can this converter be used for 5V industrial monitoring or communication subcircuits?

It can be used where the end device needs a regulated 5V constant voltage supply and the available source is 21-26VAC. Because the unit is rated at 2W, it is better matched to monitoring, communications, and auxiliary logic functions than to larger 5V loads.

Is the SMU02N-05 appropriate for outdoor or harsh-temperature equipment?

The operating temperature range is -40°C to +85°C, which supports use across a wide temperature span. No IP rating is listed, so it is better suited to protected indoor enclosures rather than exposed outdoor or washdown locations.

How does the SMU02N-05 compare with the other SMU02N 2W versions?

Within the listed siblings, the SMU02N-05 is 2W with 5V output and 400A listed output current, while the SMU02N-12 is 2W with 12V output and 167A listed output current and the SMU02N-15 is 2W with 15V output and 133A listed output current. The main selection difference in this sibling group is the output voltage and listed output current, while all three are 2W models.

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Model	Power	Voltage	Current	IP Rating
Mean Well SMU02N-15 DC-DC Converter - 2W - 21.6~26.4V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SMU02N-12 DC-DC Converter - 2W - 21.6~26.4V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SMU02M-15 DC-DC Converter - 2W - 10.8~13.2V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SMU02M-12 DC-DC Converter - 2W - 10.8~13.2V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SMU02M-05 DC-DC Converter - 2W - 10.8~13.2V in 5V out 400mA	2W	5V	0.4A	Indoor	View
Mean Well SMU02L-15 DC-DC Converter - 2W - 4.5~5.5V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SMU02L-12 DC-DC Converter - 2W - 4.5~5.5V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SMU02L-05 DC-DC Converter - 2W - 4.5~5.5V in 5V out 400mA	2W	5V	0.4A	Indoor	View

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Key Features

✓ Input voltage range: 4.5~5.5V

✓ 1.5KVDC reinforced I/O isolation

✓ Wide operating temperature: -40~+85℃

✓ Protections: Short circuit / Overload

✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE ℃ -55 ~ +125 ℃ ± , 10 ~ 95% RH ℃ ) (0 ~ 50 0.05% / 10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes EAC TP TC 004

✓ 3 years warranty

Mean Well SMU02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

Key Features

Frequently Asked Questions

Payment & Security

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Mean Well SMU02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

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