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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

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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

Name: 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
Brand: RS PRO
SKU: 80647

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Category AC/DC Adapter Brand RS PRO Condition New

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.