Industries and Applications
Aerospace / Avionics
STC partners with aerospace-equipment manufacturers to provide transformers for a wide range of avionics equipment including…
Medical
STC manufactures transformers for Class I, Class II, and Class III medical devices. STC transformers are included in a range of medical devices and…
Defense / Military
STC is an ITAR-registered company with over 25-years experience designing and manufacturing transformers for high-reliability military…
Environmental
STC manufactures transformers for environmental applications, which include maintaining full environment conditions, as well as…
Renewable Energy
STC transformers are utilized in various renewable-energy applications. The most common transformer style for RE applications are…
Marine
Transformers for marine applications, from aboard electronics to below-surface communications & measurement, and…
Broadcast Electronics
STC Sun Transformer has extensive history manufacturing transformers for broadcast applications. As the broadcast industry has evolved…
Commercial Applications
STC manufactures transformers for many commercial products including, global-navigation equipment, high-end appliances, and…
Industrial Applications
STC manufactures transformers used to power many industrial applications, including CNC Machines, Electronic Access Controls, Large-Scale…
Transformer Information
We offer this page as a resource for basic transformer information as well as technical data that can provide circuit design engineers and purchasing specialists with practical suggestions and guidance on selecting and applying transformers and inductors for electronic equipment.
Custom Electronic Transformers
Recent News

Sun Transformer Recertified for ISO 9001:2015 Standards
December 2024 – Sun Transformer, a division of STC, Inc., is proud to announce that they have obtained recertification of their Quality Management System to meet ISO 9001:2015 standards. Since they received their first ISO certification in…
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