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

SKU:

SCW12A-12

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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

12 Volt
Rated Current

1 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-12 for 12V PLC accessories or control electronics?

Yes, this converter is suited to 12V constant-voltage loads that fit within its 1A and 12W output rating. With a 9-18VAC input range, it matches equipment that needs regulated 12V output from that input window.

Is the SCW12A-12 appropriate for small 12V industrial sensors or relays?

It can be used for 12V industrial devices that require constant-voltage power and draw no more than 1A total. The 12W rating makes it better suited to lower-power sensors, relays, and compact control modules rather than heavier 12V loads.

Can this model work in compact embedded or automation housings?

Yes, the body measures 31.75 × 20.32 × 12.19 mm and weighs 0.015 kg, so it is sized for compact equipment designs. That makes it a practical option where 12V regulated output is needed but enclosure space is limited.

Is the SCW12A-12 suitable for outdoor or harsh-location use?

Its operating temperature range is -40°C to +71°C, so the temperature spec supports a wide range of industrial conditions. However, no IP rating is listed in the provided specs, so outdoor exposure or washdown suitability cannot be confirmed from this data alone.

What is the difference between SCW12A-12 and the other SCW12A versions?

The SCW12A-05, SCW12A-12, and SCW12A-15 all share 12W power, 9-18VAC input, constant-voltage operation, 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. Their outputs differ: 5V at 2.4A, 12V at 1A, and 15V at 0.8A respectively.

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-05 DC-DC Converter - 12W 9~18V DC in 5V out	12W	5V	2.4A	Indoor	View

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