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Mean Well SCW12A-05 DC-DC Converter - 12W 9~18V DC in 5V out

SKU:

SCW12A-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

9V~18V
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 SCW12A-05 to power a 5V embedded controller from a 12V-class industrial supply?

Yes, this model is intended for applications that need a regulated 5V constant-voltage output from a 9-18VAC input range. Its output is rated at 5V and up to 2.4A, with 12W total power, which fits low-power embedded control and interface electronics within those limits.

Is the SCW12A-05 suitable for 5V sensors or small industrial interface boards?

It can be a fit for 5V industrial electronics that require constant-voltage power and stay within the 2.4A, 12W output rating. The compact 31.75 × 20.32 × 12.19 mm size also helps where board or enclosure space is limited.

Can this converter be used in automation equipment that runs in very cold or hot environments?

The specified operating temperature range is -40°C to +71°C, which supports use in demanding industrial temperature conditions. The specs do not list an IP rating, so environmental sealing for wet, dusty, or outdoor exposure is not confirmed by the product data shown here.

Is the SCW12A-05 a good choice for compact 5V logic or monitoring circuits?

Yes, the combination of 5V output, 2.4A max current, and 12W power makes it suited to low-power logic, monitoring, and embedded electronics that need stable constant-voltage output. Its 0.015 kg weight and small footprint make it easier to use in dense equipment layouts.

How does the SCW12A-05 compare with the other SCW12A models?

All SCW12A versions in this group are 12W constant-voltage converters with 9-18VAC input, the same 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 difference is the output: SCW12A-05 is 5V at 2.4A, SCW12A-12 is 12V at 1A, and SCW12A-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 SCW12B-05 DC-DC Converter - 12W 18~36V DC in 5V out	12W	5V	2.4A	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

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