750341689

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750341689 is a flyback power transformer designed for AC/DC switching mode power supplies. It features a through-hole mounting style with a footprint of 18.00mm x 18.80mm and a maximum seated height of 14.12mm. The component provides 3500Vrms isolation and operates at a frequency of 65kHz. Key electrical specifications include an inductance of 2.18mH, a turns ratio of 6.2:1:0.39, and a power rating of 9.9W. It supports dual primary windings rated for 180-264VAC input and a single secondary winding delivering 36V at 275mA. The unit functions within a temperature range of -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation capability suitable for safety-critical power conversion applications
• Supports universal AC input voltage ranges via dual primary winding configuration
• Designed for compact form factor integration in space-constrained PCB layouts

Switching Converter, SMPS Transformers Applications

• AC/DC converter modules
• Switching mode power supply (SMPS) designs
• Flyback converter circuits

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version and mechanical drawing dimensions prior to procurement. Confirm that the 18.00mm x 18.80mm footprint matches the target PCB layout exactly. Ensure the thermal management strategy accommodates the +125°C maximum operating temperature rating. Validate that the 3500Vrms isolation voltage meets the safety requirements of the end application. Cross-reference the pinout configuration with the official Wurth Elektronik documentation to prevent assembly errors.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback converters requiring 9.9W output power with 36V secondary voltage. It is appropriate for applications needing 3500Vrms isolation between primary and secondary sides. The 65kHz operating frequency suits standard SMPS topologies. Consider the through-hole package if board space allows for larger components compared to surface-mount alternatives. Ensure the input voltage range of 180-264VAC aligns with the system's power source.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the Würth Elektronik power transformer portfolio, specifically tailored for isolated DC-DC and AC-DC conversion. It complements other magnetic components in their catalog by offering robust isolation and standardized pin configurations. The part is engineered for reliability in industrial and consumer electronics environments, adhering to RoHS compliance standards.

Switching Converter, SMPS Transformers Replacement Considerations

No direct public substitute part numbers are confirmed in the provided documentation. Verify compatibility carefully if considering alternative manufacturers, as pinouts, isolation voltages, and inductance values may differ significantly.