Phone: 408-263-8444

Power transformers that fit your requirements

Find what you're looking for


About QTE

We are located in Milpitas, California and have been working to serve the Silicon Valley and beyond for the last 50 years.

Find out below what makes working with QTE so great.

Find out more


We are certified NRTL to UL 1561, 506, and 508. We are also certified NRTL to UL to carry the CE Mark and are also ISO certified.

Find out more about our certifications below.

Find out more

Get a Quote

We are happy to help you specify your next unit. Our sales and engineering staff will be able to make sure you get the right part for your system.

Find out more below.

Find out more

Quality Transformer and Electronics is a leader in the power transformer manufacturing industry

Quality Transformer and Electronics (QTE) is a power transformer manufacturer located in the Bay Area, or Milpitas, CA. Power transformers designed by QTE are built to fit your specific needs. We design and manufacture every part with reliability and quality in mind. Our breadth of knowledge regarding transformers, inductors, and reactors means we are capable of designing and manufacturing the following types of transformers, inductors, and reactors:


  • Power Transformers
  • Isolation Transformers
  • Control Transformers
  • Noise Cut Transformers
  • Zigzag Transformers
  • Autotransformers
  • Pulse Transformers
  • Phase Shift Transformers
  • Interphase Transformers
  • Furnace Transformers
  • High Voltage Transformers
  • High Isolation Transformers
  • Air-Core Reactors
  • Chokes
  • Current-Limiting Reactors
  • Chokes
  • Filter Reactors and Inductors

Electrical Assemblies

  • DC Linear Power Supplies
  • SCR Assemblies
  • Power Distribution Units
  • Power Conditioners
  • Custom Transformer Assemblies