More than Power Supplies & EMI/EMC Filters
With more than 60 years of experience as a Power Supply and EMI Filter manufacturer, our team can provide unmatched engineering support to take your product from design to production.

ASX-E Multi-Output Power Supply: Five Outputs, One Compact Platform
The ASX-E delivers up to 1.4kW of regulated DC power across five galvanically isolated outputs, eliminating the need for bulky configurable systems. Each output can be factory-set to your exact voltage requirements, providing a streamlined, plug-and-play solution that simplifies integration and accelerates time-to-market.
Custom Solutions at Astrodyne TDI
A variety of technical requirements can prevent you from finding the perfect off-the-shelf solution. At Astrodyne TDI we have the advanced tools and technology to design and modify power supplies and EMI filters to meet your unique requirements.


Applications
Astrodyne TDI delivers power and EMI filter solutions to a diverse array of markets and industries world-wide.
Astrodyne TDI News and Blog Posts
Blog | Sep 22, 2025
Top 5 EMI Design Lessons for Battery Energy Storage Systems
Battery Energy Storage Systems (BESS) are becoming the backbone of modern energy infrastructure. As utilities, industrial facilities, and residential installations demand more flexibility in storing ...
Blog | Sep 16, 2025
The Critical Role of Current Transformers in Utility Equipment
In today’s industrial and utility environments, the demand for safe, reliable, and digital-ready power equipment has never been greater. Whether it’s ensuring up time for critical operations or ...
BLOG | June 24, 2020
3-Phase Power: Delta vs Wye Explained
Three-phase power plays a key role in the design of electrical systems, and 3-phase EMI filters are an important part of the electrical devices in different markets, primarily in heavy-duty industrial applications.