7508116312

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 7508116312 is a surface-mount power transformer designed for AC/DC switching mode power supplies. It belongs to the WE-UNIT MID-OLEFD series and features an EFD20 core configuration. The component provides 4500Vrms isolation voltage between windings and operates within a frequency range of 68 to 120kHz. It has a primary voltage rating of 120 to 375V and an auxiliary voltage of 20V. The inductance is specified as 800µH at 10kHz. The package dimensions are 21.50mm x 33.80mm with a maximum height of 12.12mm, suitable for automated assembly processes.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation capability of 4500Vrms for safety compliance
• Engineered specifically for LED driver and AC/DC SMPS applications
• Supports wide input voltage ranges up to 375V on the primary side
• Optimized for high-frequency operation between 68 and 120kHz

Switching Converter, SMPS Transformers Applications

• LED lighting drivers
• AC/DC switched-mode power supplies
• Offline converter circuits
• General purpose AC/DC conversion systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix matches the required packaging format, such as tape and reel or cut tape, as these affect handling procedures. Confirm that the design tool RED Expert is utilized for accurate simulation results prior to finalizing the schematic. Ensure the selected variant complies with RoHS3 standards if environmental regulations apply to the target market. Cross-reference the manufacturer part number against distributor codes to prevent procurement errors during sourcing.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing offline converters requiring robust isolation and compact SMD footprint. The 800µH inductance value supports efficient energy transfer in flyback topologies. Consider the operating temperature range of -40°C to 125°C for harsh environments. Evaluate the physical dimensions against the PCB real estate constraints. Ensure the auxiliary winding requirements align with the controller IC specifications for proper feedback loop implementation.

Switching Converter, SMPS Transformers Part Context

This transformer is part of the WE-UNIT MID-OLEFD family from Würth Elektronik, which focuses on miniaturized power solutions. The series utilizes advanced magnetic materials to achieve high efficiency in small form factors. It is intended for modern electronics where space savings and thermal performance are critical. The product line emphasizes reliability and ease of integration into automated manufacturing lines.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult the manufacturer's official cross-reference tools or datasheets for compatible alternatives. Verify pinout compatibility and electrical parameters before substituting any component to ensure circuit functionality remains intact.