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Mean Well SKA40A-12 DC-DC Converter - 35W - 9~18V in 12V out

SKU:

SKA40A-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

9V~18V
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 SKA40A-12 for 12V industrial sensors, relays, or control modules in a 9-18VAC system?

This unit delivers constant-voltage 12V output at up to 3.33A with 35W capacity. It is a match for 12V industrial or automation loads that stay within those output limits and use a 9-18VAC input source.

Is the SKA40A-12 suitable for powering 12V embedded or communications equipment?

The listed output is a regulated 12V rail with up to 3.33A available. That fits embedded or communications hardware that requires 12V and remains within the 35W maximum output.

Can the SKA40A-12 be used in mobile or battery-adjacent control equipment with a 9-18VAC input range?

Its published input range is 9-18VAC, and it converts that to a constant 12V output. For control equipment operating in that source window, the main sizing limits are 35W total power and 3.33A output current.

Does this converter fit compact automation assemblies that need moderate 12V power?

The housing measures 50.8 × 50.8 × 11.0 mm and weighs 0.06 kg. Those dimensions can help when integrating a 12V, 35W converter into smaller embedded or industrial assemblies.

Is the SKA40A-12 intended for indoor or outdoor use?

The specified operating temperature range is -40°C to +80°C, which covers demanding temperature conditions. No IP rating is provided in the specs, so exposed outdoor suitability is not confirmed from the published data.

How does the SKA40A-12 compare with the other SKA40A output options?

The SKA40A-12 is the 12V version in the series, rated at 35W and 3.33A. The SKA40A-05 is 35W with 5V at 7A, while the SKA40A-15 is 35W with 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-12 DC-DC Converter - 35W - 18~36V in 12V out	35W	12V	3.33A	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-05 DC-DC Converter - 35W - 9~18V in 5V out	35W	5V	7A	Indoor	View

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