News
Designing Transformers for Aerospace Applications: What Determines Long-Term Reliability
In aerospace systems, reliability isn’t something that can be added later; it is engineered from the very beginning. Every component plays a role in long-term performance under demanding conditions, and aerospace transformers are no exception. As…
Precision Sensor Coils in Digital-Signal Processing: Why Component Design Determines Measurement Accuracy
You Don’t See In high-sensitivity measurement systems, performance is often determined by components that remain largely invisible to the end user. Instruments such as spectrum analyzers must detect extremely small variations in…
How Custom Magnetics Improve System Reliability in Aerospace and Industrial Power Applications
In today’s complex aerospace and industrial power environments, reliability isn’t a nice-to-have—it’s a requirement. Whether it’s an avionics power component supporting flight-critical systems or a ruggedized inductor in industrial…
Design Considerations for Custom Transformers in High-Reliability Applications
When failure is not an option, transformer design transcends simple power delivery. In sectors where reliability is mission-critical—such as aerospace, medical, defense, and advanced…
Capitalizing on US Manufacturing During an Era of Shifting Policies
The US-manufacturing landscape continues to evolve in 2025, in many ways as a result of the ongoing changes to global trade tariffs. However, regardless of the driving forces behind these changes, they’ve presented US manufacturers with…
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…
Continual ISO-Based Improvement
Every three years, STC hosts an external audit to recertify our Quality Management System to ISO 9001 standards. The external audit for 2021 was recently completed, and STC once again successfully met the requirements for recertification. One notable…
Open Position: Electronic Technician
STC, Inc., a manufacturer of transformers & PCB assemblies for a variety of industries, including Aerospace, Military, Broadcasting, and Traffic Management is seeking candidates for an Electronic Technician. For a full list of job requirements…
PCBs with Custom Magnetics
At first contact, many potential customers may be unaware that we not only manufacture custom transformers and inductors but that we also provide electronic manufacturing services (EMS) for a wide range of industries and applications. For many…
Calkin’s 30-Year Milestone
“When I think about the biggest moments of my career at STC,” says Angie Calkin, “I would probably say the Nighthawk production line, our becoming ISO 9001 certified, and then my promotion to Vice President of Operations.” Angie has seen many changes…
