Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
Features
| 2:1 wide input range |
| 4:1 wide input range(option) |
| 1000VDC I/O isolation |
| 3000VDC I/O isolation (option) |
| Built-in EMI filter |
| Protection: Short circuit / Overload |
| Cooling by free air convection |
| Six-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 | ±0.2% (max.) |
| Load regulation | ±0.5% (max.)@10~100% load |
| Overload protection | 110%~250%, auto-recovery |
| Efficiency | 82% (typical) |
| Short circuit protection | Continuous, auto-recovery |
| I/O isolation voltage | 1000VDC (min.) |
| I/O isolation resistance | 100MQ(min.)@500VDC |
| 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) | 2" x 1" x 0.44" |
| Case material | Six-sided shield metal case |
Specifications
Specifications
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BrandMean Well
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SeriesSKA Series
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Power Rating9.9 Watt
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Output Voltage5 Volt
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Rated Current3 Ampere
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Input Voltage9V~18V
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Standards MetCE,EMC,FCC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~71°C
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Warranty2 Year
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Length5.08 cm
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Width2.54 cm
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Height1.13 cm
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Weight0.03 kg
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the SKA15A-05 to power 5V embedded controllers or single-board electronics from 9-18VAC?
Yes, this converter accepts 9-18VAC input and delivers a constant 5V output. With up to 3A output current and a 9.9W rating, it fits 5V logic and embedded loads that stay within that power range.
Is the SKA15A-05 appropriate for 5V HMI, interface, or communication modules in control equipment?
It can be used where a regulated 5V rail is needed for compact control electronics. The 3A output current gives more headroom than the 12V and 15V versions in the same family, while still keeping the total output within 9.9W.
Can this 5V converter support industrial sensor hubs or low-voltage accessory boards?
Yes, it is suited to 5V accessory electronics that need constant-voltage output rather than a variable supply. The combination of 5V output and 3A maximum current works for grouped low-voltage boards as long as the total demand does not exceed 9.9W.
Does the SKA15A-05 fit small automation assemblies with tight mounting space?
Its body measures 50.8 × 25.4 × 11.27 mm and the unit weighs 0.032 kg. That small format is useful when 5V conversion has to fit inside compact control or embedded equipment.
Is the SKA15A-05 intended for indoor panels or exposed outdoor use?
It has a wide operating temperature range of -40°C to +71°C, which supports use in demanding equipment environments. Since no IP rating is specified, it is better treated as a converter for protected indoor cabinets or enclosed assemblies instead of direct outdoor exposure.
What are the differences between the SKA15A-05 and the other SKA15A outputs?
All SKA15A models use the same 9-18VAC input range and 9.9W power class. The output choices are 3.3V at 3A for SKA15A-033, 5V at 3A for SKA15A-05, 12V at 1.25A for SKA15A-12, and 15V at 1A for SKA15A-15.
Other SKA15 Models
11 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SKA15C-15 DC-DC Converter - 15W - 36~72V in 15V out | 15W | 15V | 1A | Indoor | View |
| Mean Well SKA15C-12 DC-DC Converter - 15W - 36~72V in 12V out | 15W | 12V | 1.25A | Indoor | View |
| Mean Well SKA15C-05 DC-DC Converter - 15W - 36~72V in 5V out | 15W | 5V | 3A | Indoor | View |
| Mean Well SKA15C-033 DC-DC Converter - 15W - 36~72V in 3.3V out | 15W | 3.3V | 3A | Indoor | View |
| Mean Well SKA15B-15 DC-DC Converter - 15W - 18~36V in 15V out | 15W | 15V | 1A | Indoor | View |
| Mean Well SKA15B-12 DC-DC Converter - 15W - 18~36V in 12V out | 15W | 12V | 1.25A | Indoor | View |
| Mean Well SKA15B-05 DC-DC Converter - 15W - 18~36V in 5V out | 15W | 5V | 3A | Indoor | View |
| Mean Well SKA15B-033 DC-DC Converter - 15W - 18~36V in 3.3V out | 15W | 3.3V | 3A | Indoor | View |
| Mean Well SKA15A-15 DC-DC Converter - 9.9W - 9~18V in 15V out | 9.9W | 15V | 1A | Indoor | View |
| Mean Well SKA15A-12 DC-DC Converter - 9.9W - 9~18V in 12V out | 9.9W | 12V | 1.25A | Indoor | View |
| Mean Well SKA15A-033 DC-DC Converter - 9.9W - 9~18V in 3.3V out | 9.9W | 3.3V | 3A | Indoor | View |




