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RS PRO AC/DC Adapter 12.5 W, 5V DC Output, 2.5A, Centre 2.1 x 5.5 x 12 mm Connector 139-2339
Specifications
| Country of Origin | China |
|---|---|
| Brand | RS PRO |
| Power | 12.5W |
| Efficiency | 80.58% |
| Length | 97mm |
| Model | 139-2339 |
| Depth | 31mm |
| Cable Length | 1.5m |
| Width | 45mm |
| Series | KRE |
| Output Current | 2.5 A |
| Maximum Operating Temperature | 40°C |
| Sub Type | AC-DC Converter Power Supplies |
| Load Regulation | 5 % |
| Minimum Operating Temperature | -20°C |
| Number of outputs | 1 |
| Ripple and Noise | 150 mV |
| Maximum Input Voltage | 240V ac |
| Output Voltage | 5V dc |
| Standards/Approvals | IEC/EN 61558 |
| Minimum Input Voltage | 90V ac |
| Output Connector Type | Centre, 2.1 x 5.5 x 12 mm |
| Input Connector Type | IEC 320-C8 |
| Adapter Current | 2.5A |
| Energy Efficiency Level | V |
| RS PRO AC/DC AdapterBrand | RS PRO |
| Mean Time Between Failure (MTBF) | 50000 h |
Key Features
- Compact adapter provides 12.5 W output for efficient powering of devices.
- Delivers stable 5 V DC voltage and 2.5 A current for consistent operation.
- Features centre 2.1 x 5.5 x 12 mm connector suitable for many electronics.
- Wide input voltage range from 90 to 240 V AC supports global use.
- IEC 320-C8 input connector for versatile compatibility.
- Offers cable length of 1.5 meters facilitating flexible installation.
- Operates within -20 °C to +40 °C temperature range ensuring reliability.
- Complies with IEC/EN 61558 standard for safety and performance.
Product Description
The RS PRO 139-2339 AC/DC Adapter is a reliable desktop power supply designed to deliver a stable 5V DC output with a maximum power rating of 12.5 W and output current up to 2.5 A. This switch-mode adapter is suitable for charging and running small electronic devices, computers, or battery-operated equipment in laboratory and industrial settings.
With centre 2.1 x 5.5 x 12 mm output connector, the adapter suits a wide range of devices. Its IEC 320-C8 input connector supports a broad input voltage range from 90 to 240 V AC and input frequency 47 to 63 Hz, allowing for flexible international use. The compact form factor, 97 mm length, 45 mm width and 31 mm depth, ensures easy desktop mounting and portability.
The unit incorporates safety features such as overcurrent and overvoltage protection, preventing device damage and short circuits. An energy efficiency level of V and typical efficiency of 80.58 percent fulfil US and global standards for external power supply efficiency. The adapter is compliant with IEC/EN 61558 standards, confirming consistent safety and performance.
Additional features include a 1.5 m cable for convenient positioning, ripple and noise limited to 150 mV, and load regulation at 5 percent. The operating temperature range covers -20 °C to +40 °C, and mean time between failure (MTBF) is rated at 50,000 hours. The adapter's lightweight build (145 g) supports easy handling and setup.
RS PRO adapters are widely deployed in applications requiring reliable AC-to-DC conversion, including laboratory instruments, industrial automation, portable electronics, network devices, and commercial systems.
Provides 12.5 W power output for efficient device operation. Stabilized 5V DC and 2.5A output for sensitive electronics. Centre 2.1 x 5.5 x 12 mm connector ensures broad compatibility. Wide input voltage range from 90 - 240 V AC enables global use.
IEC 320-C8 input connector for standard installations. 1.5 m cable supports flexible positioning. Energy efficiency level V for reduced consumption. Safety protections for overcurrent and overvoltage. Suitable for desktop, laboratory, industrial and commercial operations.
Discover more RS PRO adapters and power supply solutions in the Electronics & Electricals category at EnvMart.
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Frequently Asked Questions
It provides a maximum output power of 12.5 W.
It features a centre 2.1 x 5.5 x 12 mm output connector, suitable for many devices.
The input voltage range is from 90 to 240 V AC, allowing for global use.
The dimensions are 97 mm in length, 45 mm in width, and 31 mm in depth.
It complies with IEC/EN 61558 standards for safety and performance.
The operating temperature range is from -20 °C to +40 °C.
It has an energy efficiency level of V, with a typical efficiency of 80.58 percent.
The ripple and noise are limited to 150 mV.
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