Power adapter/inverter MEAN WELL SFTN02L-12, Input 4.5–5.5 V, Output 12 V, Output power 2 W, Depth 15.2 mm

The MEAN WELL SFTN02L-12 is a compact PCB-mount DC-DC converter designed to step up 4.5–5.5 V input to a regulated 12 V output with up to 0.167 A (2 W) output power. Packaged in an SMD form factor with a depth of 15.2 mm and RoHS compliance, this module is intended for space-constrained embedded systems and small electronic devices requiring a stable 12 V supply.

Advantages

The converter provides a stable 12 V output from low-voltage inputs, occupies minimal PCB space due to its SMD package and 15.2 mm depth, and includes a 0.5 second short-circuit protection feature to help protect the module and connected circuitry. It is RoHS compliant and supplied in bulk packing suitable for production use.

Suitable for

• Embedded systems and microcontroller boards
• Small electronic devices and instrumentation
• Low-power lighting drivers and LED modules
• PCB-mounted power rail generation in compact assemblies

Key specifications

• Manufacturer: MEAN WELL (brand: mean well)
• Model / MPN: SFTN02L-12
• Input voltage: 4.5–5.5 V DC
• Output voltage: 12 V DC
• Output current: 0.167 A (maximum)
• Output power: 2 W
• Protection: 0.5 second short protection
• Package: SMD, PCB mount; depth 15.2 mm
• Compliance: RoHS
• EAN: 4021087052061

How to use

Mount the SFTN02L-12 on the PCB according to the manufacturer's recommended land pattern and soldering guidelines for SMD components. Apply a DC input within the 4.5–5.5 V range to the input pins and verify correct polarity. Connect the 12 V output to the load, ensuring the load current does not exceed 0.167 A. Allow adequate PCB copper area and thermal layout as needed for reliable operation.

Recommendations

Use the converter within specified input and output limits, avoid continuous loading at the absolute maximum current to extend service life, and provide proper PCB mounting and clearance for cooling. Observe ESD and soldering temperature guidelines during assembly and follow MEAN WELL application notes for optimal performance.