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 | 160%~250%, auto-recovery |
| Efficiency | 85% (typical) |
| Short circuit protection | Continuous, auto-recovery |
| I/O isolation voltage | 1000VDC (min.) |
| I/O isolation resistance | 100MQ(min.)@500VDC |
| Working temperature | -25~+71°C (refer to output derating curve) |
| Storage temperature | -25°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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SeriesSLW Series
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Power Rating5 Watt
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Output Voltage12 Volt
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Rated Current0.41 Ampere
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Input Voltage18V~36V
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Standards MetCE,EMC,FCC
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Operation ModeConstant Voltage
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Operating Temperature-25°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
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Frequently Asked Questions
Can I use the SLW05B-12 to power a 12V industrial control subcircuit from an 18-36VAC source?
Yes, this converter is intended for applications that need a constant 12V output from an 18-36VAC input range. It is rated at 5W and 417A output current, so it fits low-power industrial control or embedded circuits that match those published values.
Is the SLW05B-12 suitable for 12V embedded electronics inside automation equipment?
It can be used where the embedded section requires a constant 12V rail and the available source is within 18-36VAC. The unit is a 5W converter in a 50.8 × 25.4 × 11.27 mm package, which suits compact enclosed equipment.
Can this 12V converter be used for panel-mounted monitoring or signaling electronics?
It is a fit for panel or cabinet electronics that run on constant 12V and stay within the 5W rating. The 18-36VAC input range makes it relevant where the source already falls in that range and the circuit only needs a small regulated output stage.
How does the SLW05B-12 compare with other SLW05B models?
In the SLW05B series, SLW05B-05 is 5W, 5V, 1000A; SLW05B-09 is 5W, 9V, 556A; SLW05B-12 is 5W, 12V, 417A; and SLW05B-15 is 5W, 15V, 333A. All are constant-voltage models with 18-36VAC input, 50.8 × 25.4 × 11.27 mm dimensions, 0.032 kg weight, and a -25°C to +71°C operating temperature range.
Can the SLW05B-12 be used outdoors or in harsh environments?
The published data gives an operating temperature range of -25°C to +71°C, so temperature suitability should be checked against that range. No IP rating is listed in the provided specs, so outdoor or washdown use should only be considered if the final enclosure provides the required protection.
Other SLW05 Models
11 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SLW05C-15 DC-DC Converter - 5W - 36~72V in 15V out | 5W | 15V | 0.33A | Indoor | View |
| Mean Well SLW05C-12 DC-DC Converter - 5W - 36~72V in 12V out | 5W | 12V | 0.41A | Indoor | View |
| Mean Well SLW05C-09 DC-DC Converter - 5W - 36~72V in 9V out | 5W | 9V | 0.55A | Indoor | View |
| Mean Well SLW05C-05 DC-DC Converter - 5W - 36~72V in 5V out | 5W | 5V | 1A | Indoor | View |
| Mean Well SLW05B-15 DC-DC Converter - 5W - 18~36V in 15V out | 5W | 15V | 0.33A | Indoor | View |
| Mean Well SLW05B-09 DC-DC Converter - 5W - 18~36V in 9V out | 5W | 9V | 0.55A | Indoor | View |
| Mean Well SLW05B-05 DC-DC Converter - 5W - 18~36V in 5V out | 5W | 5V | 1A | Indoor | View |
| Mean Well SLW05A-15 DC-DC Converter - 5W - 9~18V in 15V out | 5W | 15V | 0.33A | Indoor | View |
| Mean Well SLW05A-12 DC-DC Converter - 5W - 9~18V in 12V out | 5W | 12V | 0.41A | Indoor | View |
| Mean Well SLW05A-09 DC-DC Converter - 5W - 9~18V in 9V out | 5W | 9V | 0.55A | Indoor | View |
| Mean Well SLW05A-05 DC-DC Converter - 5W - 9~18V in 5V out | 5W | 5V | 1A | Indoor | View |




