749196528

Overview

The Würth Elektronik 749196528 is a flexible high-voltage transformer from the WE-FLEX HV series, designed for DC/DC converters. It features a primary voltage rating of 9 V to 57 V and a secondary voltage rating of 5 V. The unit provides a power rating of 35 W with a secondary current rating of 1.71 A. Key electrical parameters include an inductance of 12 µH and an isolation voltage of 1.5 kVrms. The component operates within a temperature range of -40°C to +125°C and supports frequencies up to 400 kHz. Its physical dimensions are 21.5 mm x 21 mm x 12 mm.

Feature Summary

• Flexible construction allows adaptation to various mechanical constraints in compact designs.
• High voltage isolation capability ensures safety in isolated power conversion applications.
• Surface mount technology facilitates automated assembly and PCB integration.

Applications

• Isolated DC/DC converter modules
• Power supply units requiring high isolation
• Industrial control systems

Procurement Notes

Verify the specific datasheet version for the 749196528 to confirm all electrical tolerances and mechanical drawings. Ensure that the flexible nature of the component is accounted for in the PCB layout and reflow soldering profile. Cross-reference the manufacturer's official documentation for any recent design changes or compliance updates before finalizing procurement orders.

Selection Notes

Select this component when high isolation voltage and flexible form factors are required for DC/DC conversion. Consider the 1.5 kVrms isolation rating for safety-critical applications. Evaluate the thermal performance at the maximum operating temperature of +125°C. Compare the 12 µH inductance against circuit requirements to ensure proper energy storage and conversion efficiency.

Part Context

This part belongs to the WE-FLEX HV series, which specializes in flexible transformers for high-voltage applications. The series is designed to meet the demands of modern power electronics where space constraints and isolation requirements are stringent. It complements other Würth Elektronik components by providing reliable isolation in a non-rigid package.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. Consult the manufacturer for direct equivalents if this specific model is unavailable.

FAQ

What is the isolation voltage rating?

The 749196528 has an isolation voltage rating of 1.5 kVrms.

What is the operating temperature range?

The component operates between -40°C and +125°C.