74941503

Pulse Transformers Overview

The Würth Elektronik 74941503 is a WE-PLC series surface mount pulse transformer designed for power line communication applications. It features a dual primary and single secondary winding configuration with a 1:4:3 turns ratio. The component provides 4500Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. It has an inductance of 20µH and supports frequency ranges from 500kHz to 30MHz.

Pulse Transformers Feature Summary

• Dual primary and single secondary winding topology
• High isolation voltage rating of 4500Vrms
• Surface mount package design for automated assembly

Pulse Transformers Applications

• Power line communication systems
• General electronic equipment signal coupling
• Industrial control interfaces

Pulse Transformers Procurement Notes

Verify the specific datasheet version for the 74941503 part number, as distributor listings may contain conflicting specifications regarding winding ratios or isolation ratings. Confirm that the surface mount footprint matches the PCB layout requirements. Ensure compliance with RoHS3 and REACH standards if required by the end product regulations. Check moisture sensitivity level (MSL 1) handling procedures during storage and reflow soldering processes.

Pulse Transformers Selection Notes

Select this component when high isolation voltage is critical for safety in PLC environments. The dual primary configuration allows for flexible circuit integration compared to standard single-winding transformers. Consider the operating temperature range suitability for harsh industrial conditions. Verify that the 20µH inductance meets the impedance matching requirements of the communication interface.

Pulse Transformers Part Context

This component belongs to the WE-PLC series, which specializes in transformers for power line communication technologies. The series offers various winding configurations to support different network topologies. The 74941503 variant specifically addresses applications requiring robust isolation and multi-tap primary windings for enhanced signal integrity over power lines.

Pulse Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 1:4:3 ratio, 4500Vrms isolation, and SMT package dimensions.