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Mean Well SKA40B-12 DC-DC Converter - 35W - 18~36V in 12V out

SKU:

SKA40B-12

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Description

Features

2" x 1" compact size

2:1 wide input range

1500VDC I/O isolation

Built-in remote ON/OFF control

Built-in EMI filter

Protection: Short circuit / Overload / Input and output over voltage

Cooling by free air convection

Built-in remote sense

100% full load burn-in test

Low cost, high reliability

Trimming output (±10%)

High efficiency up to 93%

Output 3.3V/9V models available

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%~180%, auto-recovery
Efficiency	92%
Over voltage protection	Clamp by TVS diode
I/O isolation voltage	1500VDC (min.)
I/O isolation resistance	100MQ(min.) @500VDC
Working temperature	-40~+80°C (refer to output derating curve)
Storage temperature	-55°C to +105°C
Case material	Six-sided shield metal case
EMC	Compliance to EN55022 class A, EN61000-4-2,3,4,5,6,8, FCC part15 class A
Dimension (LxWxH) (mm)	2" x 2" x 0.43"

Specifications

Brand

Mean Well
Series

SKA Series
Power Rating

35 Watt
Output Voltage

12 Volt
Rated Current

3.33 Ampere
Input Voltage

18V~36V
Standards Met

CE,EMC,FCC
Operation Mode

Constant Voltage
Operating Temperature

-40°C~80°C
Warranty

2 Year
Length

5.08 cm
Width

5.08 cm
Height

1.1 cm
Weight

0.06 kg

File Downloads

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Frequently Asked Questions

Can I use the SKA40B-12 to power a 12V PLC or industrial control circuit?

Yes, this model provides a constant 12V output and is rated for 35W with up to 3.33A output current. That makes it suitable for 12V control electronics, PLC-related loads, and other embedded or automation devices that stay within those output limits.

Is the SKA40B-12 a good fit for 12V embedded systems inside equipment cabinets?

It can fit compact embedded designs because it delivers constant 12V output in a 50.8 × 50.8 × 11.0 mm package and weighs 0.06 kg. It is intended for loads that need 12V and do not exceed 35W or 3.33A.

Can this converter be used for 12V monitoring, alarm, or telecom-style control devices?

It can be used for 12V devices in monitoring or control applications when the source is within the 18-36VAC input range. The output is constant voltage at 12V, with a 35W rating and 3.33A maximum output current.

Will the SKA40B-12 work in cold or hot industrial environments?

The specified operating temperature range is -40°C to +80°C, so it is designed for a wide temperature span. That makes it suitable for equipment that must operate in both low-temperature and high-temperature indoor industrial conditions.

Is the SKA40B-12 suitable for outdoor or washdown locations?

The provided specs list an operating temperature range of -40°C to +80°C, but no IP rating is given. Without an IP rating in the specs, it is better treated as a unit for protected enclosures rather than exposed outdoor or washdown use.

How does the SKA40B-12 compare with the other SKA40B output options?

Within the SKA40B series, all listed models are rated at 35W. The SKA40B-05 outputs 5V at 7A, the SKA40B-12 outputs 12V at 3.33A, and the SKA40B-15 outputs 15V at 2.67A.

Model	Power	Voltage	Current	IP Rating
Mean Well SKA40C-15 DC-DC Converter - 35W - 36~75V in 15V out	35W	15V	2.67A	Indoor	View
Mean Well SKA40C-12 DC-DC Converter - 35W - 36~75V in 12V out	35W	12V	3.33A	Indoor	View
Mean Well SKA40C-05 DC-DC Converter - 35W - 36~75V in 5V out	35W	5V	7A	Indoor	View
Mean Well SKA40B-15 DC-DC Converter - 35W - 18~36V in 15V out	35W	15V	2.67A	Indoor	View
Mean Well SKA40B-05 DC-DC Converter - 35W - 18~36V in 5V out	35W	5V	7A	Indoor	View
Mean Well SKA40A-15 DC-DC Converter - 35W - 9~18V in 15V out	35W	15V	2.67A	Indoor	View
Mean Well SKA40A-12 DC-DC Converter - 35W - 9~18V in 12V out	35W	12V	3.33A	Indoor	View
Mean Well SKA40A-05 DC-DC Converter - 35W - 9~18V in 5V out	35W	5V	7A	Indoor	View

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