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Mean Well SCW12B-05 DC-DC Converter - 12W 18~36V DC in 5V out

SKU:

SCW12B-05

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Description

Features

2: 1 wide input range

1500VDC I / O isolation

Built-in remote ON / OFF control

Modified models available: output 2.5V / 3.3V

Built-in EMI filter

Protection: Short circuit / Overload

Cooling by free air convection

Five-sided shield metal case

100% full load burn-in test

Low cost, high reliability

2 years warranty

General Specification

Voltage set point accuracy	± 2% (max.)
Line regulation	± 0.5% (max.)
Load regulation	± 0.5% (max.) @ 10 ~ 100% load
Overload protection	110% to 180%, auto-recovery
Efficiency	85% (typical)
Short circuit protection	Continuous, auto-recovery
I / O isolation voltage	1500VDC (min.)
I / O isolation resistance	100MQ(min.)@500VDC
Isolation capacitance	80pF (max.)
Working temperature	-40 ~ + 71°C (refer to output derating curve)
Storage temperature	-40°C to + 105°C
EMC	Compliance to EN55022 class B, EN61000-4-2,3,4,5,6,8, FCC part15 class B
Temp. Coefficient	± 0.03% / ° C (max.)
Dimension (LxWxH) (mm)	1.25 ""x 0.8"" x 0.48 ""
Case material	Five-sided shield metal case

Specifications

Brand

Mean Well
Series

SCW Series
Power Rating

12 Watt
Output Voltage

5 Volt
Rated Current

2.4 Ampere
Input Voltage

18V~36V
Standards Met

EAC
Operation Mode

Constant Voltage
Operating Temperature

-40°C~71°C
Warranty

2 Year
Length

3.18 cm
Width

2.03 cm
Height

1.22 cm
Weight

0.02 kg

File Downloads

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Frequently Asked Questions

Can I use the SCW12B-05 to derive 5V power in a 24V-class control cabinet?

Yes, this version is built for a higher input range of 18-36VAC and provides a regulated 5V constant-voltage output. With up to 2.4A output current and 12W total power, it fits low-power 5V electronics in systems using that input range.

Is the SCW12B-05 suitable for powering 5V industrial communication or monitoring electronics?

It can be used for 5V control, monitoring, or interface electronics that stay within the 2.4A and 12W output limits. The constant-voltage output is appropriate for devices that require stable 5V power rather than constant-current drive.

Would the SCW12B-05 fit in compact embedded or automation equipment?

Yes, the converter has a small 31.75 × 20.32 × 12.19 mm package and weighs 0.015 kg. That compact format is useful for embedded assemblies and crowded industrial enclosures needing 5V output.

Is this converter rated for outdoor conditions?

The operating temperature range is -40°C to +71°C, so the temperature rating is broad enough for demanding industrial environments. The listed specs do not include an IP rating, so resistance to rain, washdown, or direct outdoor exposure is not confirmed here.

How does SCW12B-05 differ from the other SCW12B models?

The SCW12B family shares the same 12W power rating, 18-36VAC input range, constant-voltage operation, 31.75 × 20.32 × 12.19 mm dimensions, 0.015 kg weight, -40°C to +71°C operating range, EAC certification, and 2-year warranty. The output differs by model: SCW12B-05 is 5V at 2.4A, SCW12B-12 is 12V at 1A, and SCW12B-15 is 15V at 0.8A.

Model	Power	Voltage	Current	IP Rating
Mean Well SCW12C-15 DC-DC Converter - 12W 36~72V DC in 15V out	12W	15V	2.4A	Indoor	View
Mean Well SCW12C-12 DC-DC Converter - 12W 36~72V DC in 12V out	12W	12V	0.8A	Indoor	View
Mean Well SCW12C-05 DC-DC Converter - 12W 36~72V DC in 5V out	12W	5V	1A	Indoor	View
Mean Well SCW12B-15 DC-DC Converter - 12W 18~36V DC in 15V out	12W	15V	0.8A	Indoor	View
Mean Well SCW12B-12 DC-DC Converter - 12W 18~36V DC in 12V out	12W	12V	1A	Indoor	View
Mean Well SCW12A-15 DC-DC Converter - 12W 9~18V DC in 15V out	12W	15V	0.8A	Indoor	View
Mean Well SCW12A-12 DC-DC Converter - 12W 9~18V DC in 12V out	12W	12V	1A	Indoor	View
Mean Well SCW12A-05 DC-DC Converter - 12W 9~18V DC in 5V out	12W	5V	2.4A	Indoor	View

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