3E20 LF

Overview

The Astrodyne TDI 3E20 LF is a three-phase (Wye) EMC/EMI line filter module designed for switch mode applications. It supports a continuous current of 20 A at voltages up to 250 V and frequencies of 50/60 Hz. The unit features a two-stage filtering architecture housed in a low-profile flange-mount package with threaded post terminals sized 10-32.

Feature Summary

• Two-stage EMI/EMC filtering architecture
• Low-profile flange-mount construction
• Threaded post terminal interface

Applications

• Three-phase power conditioning systems
• Industrial switch mode equipment
• Medical grade power installations

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm compliance status and terminal configuration. Ensure the procurement channel provides valid RoHS certification records. Cross-reference the part number with the latest datasheet to confirm compatibility with existing mounting hardware and electrical specifications before finalizing orders.

Selection Notes

Select this component when designing three-phase systems requiring robust EMI suppression in space-constrained environments. The low-profile form factor facilitates integration into dense chassis layouts. Verify that the 20 A current rating and 250 V voltage limit align with the system's operational requirements and thermal management capabilities.

Part Context

This module belongs to the 3E Series from Astrodyne TDI, which specializes in electromagnetic interference filtration solutions. The series is engineered for industrial and medical applications where reliable noise reduction is critical. The 3E20 LF variant specifically addresses three-phase Wye configurations.

Replacement Considerations

Consult official distributor databases for verified substitute part numbers within the same product family or equivalent specifications from other manufacturers.