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Mean Well SD-15B-5 DC-DC Converter - 15W - 18~36V in 5V out

2:1 wide input range, 1.5~2KVAC isolation by models

SKU:

SD-15B-5

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Description

Features

Compliance to EN50155 and EN45545-2 railway standard
2:1 wide input range
Protections: Short circuit / Overload / Over voltage / Over temperature / Input reverse polarity
4000VDC I/O isolation
Cooling by free air convection
Half encapsulated
Built-in constant current limiting circuit
1U low profile 36mm
All using 105℃ long life electrolytic capacitors
LED indicator for power on
100% full load burn-in test
3 years warranty

Specifications

Brand

Mean Well
Series

SD Series
Power Rating

15 Watt
Output Voltage

5 Volt
Rated Current

3 Ampere
Input Voltage

18V~36V
Standards Met

EAC
Operation Mode

Constant Voltage
Operating Temperature

-20°C~85°C
Warranty

3 Year
Length

7.8 cm
Width

5.1 cm
Height

2.8 cm
Weight

0.18 kg

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Frequently Asked Questions

Can I use the SD-15B-5 to power a small embedded controller from a 24V industrial supply?

Yes, this converter is suited to low-power embedded control hardware that needs a regulated 5V output from an 18-36VAC input source. It provides constant-voltage 5V output at up to 3A with a 15W power rating, which fits compact control electronics rather than higher-load devices.

Is the SD-15B-5 a fit for sensor interfaces or industrial communication boards that run on 5V?

It can be a fit when the load needs 5V constant-voltage power and stays within 3A and 15W. The 2:1 wide input range supports 18-36VAC input systems, and the listed 1.5~2KVAC isolation by models is relevant in industrial and embedded environments.

Can this converter be used in automation panels for low-power 5V logic loads?

Yes, it is sized for low-power 5V logic loads in automation equipment when the source is within 18-36VAC. Its compact 78.0 × 51.0 × 28.0 mm housing and 0.18 kg weight also make it practical where panel space is limited.

How does the SD-15B-5 compare with the other SD-15B models?

Within the SD-15B group, SD-15B-5 is 15W, 5V, 3A; SD-15B-12 is 15W, 12V, 1.25A; and SD-15B-24 is 15W, 24V, 0.62A. The main differences are the output voltage and output current, while all three are part of the same 15W family.

Is the SD-15B-5 suitable for outdoor or harsh-environment use?

The listed operating temperature is -20°C to +85°C, so the temperature range is broad for industrial service. The provided specs do not list an IP rating, so dust and water ingress protection are not specified in the product data.

Model	Power	Voltage	Current	IP Rating
Mean Well SD-15B-12 DC-DC Converter - 15W - 18~36V in 12V out	15W	12V	1.25A	Indoor	View

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Mean Well SD-15B-5 DC-DC Converter - 15W - 18~36V in 5V out

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Specifications

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Payment & Security

Frequently Asked Questions

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Mean Well SD-15B-5 DC-DC Converter - 15W - 18~36V in 5V out

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