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Astrodyne TDI designs and manufactures innovative power solutions for demanding applications worldwide.

The company’s products include power supplies and EMI filters for industrial, semiconductor manufacturing, medical, consumer appliance, military, aerospace, and many varried markets. With over 50 years of power supply design experience, Astrodyne TDI is headquartered in Nashua, NH and has engineering and manufacturing centers in the USA and China.

Our power products are found in some of the most demanding situations including semiconductor manufacturing equipment,  life-saving heart assist devices, medical carts, surgical tools, ion and proton beam steering (magnet driving), oil & gas exploration equipment, in-flight aircraft entertainment systems, missile and radar systems, satellite communication systems, and electric vehicles, irrigation systems, as well as test and measurement devices.

Our EMI filter solutions are applicable to any consumer, industrial or military application such as exercise/fitness equipment, consumer appliances, test and measurement equipment, telecommunication systems, elevators, renewable energy inverters and many military/aerospace designs. 

Our advanced engineering design centers are located in Hackettstown, NJ, Freemont, CA, and Shenzhen China. With leading power supply industry veterans, our design teams utilize state-of-the-art technologies to provide unique solutions to difficult power conversion requirements. All units are approved or designed to meet or exceed Worldwide Safety and EMI specifications.

Our wholly-owned manufacturing facilities in Hackettstown, NJ, Edison, NJ and Shenzhen, China, and Kunshan, China focus on high mix power supply and EMI Filter production. The facilities are ISO 9001 and ISO 13485 certified to ensure the highest quality and consistency. The facilities share common capabilities, allowing for redundant manufacture, USA or China manufacturing location choice, and general manufacturing flexibility for customers worldwide.


AC/DC power supplies, EMI Filters, AC/DC adapters, DC/DC Converters, Hi Reliability Power Converters, Linear Transformers, Medical Power Supplies, COTS Power Supplies, Ultra Low Leakage Power Supplies, Medical Isolation Transformers, Liquid Cooled, Air Cooled, or Environmentally sealed.

Product Reliability And Quality Control

All products are 100% burned-in for reliability and ATE tested to assure compliance to all specifications. Our quality engineers continuously monitor all phases of manufacturing and test to assure that all products meet or exceed all performance specifications and safety standards.

Full Safety Agency Certifications

Astrodyne products meet or exceed Worldwide Safety and EMI specifications and all products carry full safety certifications. Copies of product safety certificates may be obtained by contacting our Technical Support group.

Company History

Significant company milestones.


2012 OCT 2012 Electronic Products Enewsletter - Astrodyne Powerful Solutions OCT 29, Astrodyne Corporation's ASM40 and ASM60 Series Approved to 60601-1 3rd Edition Certification - IEC Endorsement of Astrodyne's Ultraminiature Medical...

Events and Tradeshows

Astrodyne TDI attends and exhibits at many tradeshows, conferences, and forums throughout the year in a wide variety of industries. A few of the major events are shown below. Meet up with us at one of these or send us a note to let us know of another upcoming and interesting event in your market!


Keep on our latest technical articles and client success stories in the Astrondyne Blog.


To apply to any of the current openings, please complete the application and return it by mail, fax, or email to: Attention: Jessica Graham  Astrodyne TDI 36 Newburgh Road Hackettstown, NJ 07840 Fax: 908-979-0426 Email: ...


Checkout some of the testimonials from our satisfied clients.

Frequently Asked Questions

Technical Questions, Career Opportunities and General FAQs, learn more.

Suppliers Code of Conduct

DOWNLOAD: Supplier Code of Conduct at Astrodyne TDI, we are committed to the highest standards of product quality and integrity in our business dealings.  These standards include acting with the highest level of responsibility towards our employees...

Terms and Conditions

Astrodyne Corporation (Seller): Terms and Conditions of Sale   Download PDF here: DEFINITIONS The term “Buyer” means the company identified on the face of the purchase order. The term “Seller” means Astrodyne Corporation, its sub...

Privacy Statement

Astrodyne takes our customer's privacy seriously, and has implemented the utmost in security measures to assure that all information supplied by customers, browsers, or members of our Email list remains private and protected from loss, misuse or alteration....