Can I use the SFTN02N-05 to derive 5V for embedded controllers in a 24V-class system?

Yes, this model is suited to low-power embedded controllers or logic sections that need a constant 5V output from a 21-26VAC input range. Its 2W rating means it is intended for small electronics rather than larger 5V loads.

Is the SFTN02N-05 suitable for low-power sensor or interface electronics in industrial equipment?

It can be a fit for low-power sensor, interface, or monitoring electronics that require regulated 5V output. The constant-voltage operation is useful for stable low-power circuits, provided the application stays within the 2W capacity.

Would the SFTN02N-05 work for compact automation or embedded logic boards?

It is appropriate for compact automation or embedded logic boards that need a small 5V rail and accept the 21-26VAC input range. The compact 15.24 x 10.9 x 7.1 mm dimensions are also favorable for dense board layouts.

How does the SFTN02N-05 compare with the other SFTN02N models?

Within the SFTN02N family, this version provides 5V output at 400A with a 2W rating. The other siblings are SFTN02N-12 at 12V and 167A, and SFTN02N-15 at 15V and 133A. All three share the same 2W power level.

Is the SFTN02N-05 suitable for outdoor use or high-temperature industrial environments?

The listed operating temperature range is -40°C to +100°C, which supports use across a wide temperature window. However, no IP rating is provided, so the specs do not establish outdoor suitability or resistance to dust and water exposure.

Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well SFTN02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

SKU:

SFTN02N-05

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The SFTN02N is a 2W Mean Well power converter (input range: 4.5~5.5Vdc).

Key Features

✓ Input voltage range: 4.5~5.5Vdc
✓ 3KVDC reinforced I/O isolation
✓ Protections: Short circuit
✓ Safety approvals: EAC TP TC 004
✓ 3 years warranty

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Model	Power	Voltage	Current	IP Rating
Mean Well SFTN02N-15 DC-DC Converter - 2W - 21.6~26.4V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SFTN02N-12 DC-DC Converter - 2W - 21.6~26.4V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SFTN02M-15 DC-DC Converter - 2W - 10.8~13.2V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SFTN02M-12 DC-DC Converter - 2W - 10.8~13.2V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SFTN02M-05 DC-DC Converter - 2W - 10.8~13.2V in 5V out 400mA	2W	5V	0.4A	Indoor	View
Mean Well SFTN02L-15 DC-DC Converter - 2W - 4.5~5.5V in 15V out 133mA	2W	15V	0.13A	Indoor	View
Mean Well SFTN02L-12 DC-DC Converter - 2W - 4.5~5.5V in 12V out 167mA	2W	12V	0.16A	Indoor	View
Mean Well SFTN02L-05 DC-DC Converter - 2W - 4.5~5.5V in 5V out 400mA	2W	5V	0.4A	Indoor	View

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Mean Well SFTN02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

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Mean Well SFTN02N-05 DC-DC Converter - 2W - 21.6~26.4V in 5V out 400mA

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