DC-DC converter MEAN WELL SMU02M-15 2 W, input 10.8–13.2 V, output 133 mA, 7.5×11.6×10.1 mm

MEAN WELL SMU02M-15 is a compact 2 W DC-DC converter engineered for low-power electronic applications. It accepts a 10.8–13.2 V DC input and delivers a regulated low-current output rated at 133 mA. The module’s small footprint—7.5×11.6×10.1 mm—makes it suitable where board space is limited and a stable, isolated or non-isolated low-power supply is required for embedded systems and instrumentation.

Advantages

The converter provides precise voltage regulation within its input range and maintains reliable output current for sensitive circuits. Its miniature dimensions reduce PCB area and allow integration into compact assemblies. Low power dissipation and thermal performance appropriate for small enclosures help preserve component longevity. The device is designed for straightforward implementation in single-board and modular designs.

Suitable for

• Embedded control boards and microcontroller peripherals
• Instrumentation and sensor front-ends requiring stable low-power rails
• Portable and battery-powered devices within the specified input range
• Small industrial electronics and telecom modules with space constraints

Key specifications

• Output power: 2 W nominal
• Input voltage range: 10.8–13.2 V DC
• Output current: 133 mA (rated)
• Package dimensions: 7.5 mm (W) × 11.6 mm (D) × 10.1 mm (H)
• Regulation: fixed, regulated output suitable for low-power loads
• Mounting: PCB-mountable module with minimal board area

How to use

Install the DC-DC converter on the PCB following the manufacturer’s recommended footprint and polarity markings. Provide the specified input voltage between 10.8 V and 13.2 V DC and verify correct orientation before powering. Observe thermal considerations: ensure adequate copper area or airflow if the module operates near its maximum power rating. Connect the load to the output and verify the delivered current does not exceed the 133 mA rating. Include input and output decoupling as recommended for stable operation in noisy environments.

Recommendations

Operate the module within the specified input range and rated output current to ensure stability and longevity. Allow for margin in thermal design and avoid subjecting the converter to continuous overloads. Use proper PCB layout practices, such as short traces for input/output and adequate grounding, to minimize EMI and maintain reliable regulation.