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Quantic ECI: Custom Transformers for Mission-Critical Applications

Established in 1947, Quantic ECI specializes in custom transformers and leading-edge passive magnetic components for mission-critical applications. Our transformers provide reliable and cost-effective solutions for the aerospace, defense, security, medical & commercial industries.

Our engineers are recognized experts and are unrivaled in their command of the esoteric and challenging field of magnetics. We partner with our customers to solve tough, unorthodox engineering challenges through expertise, experience and creativity.

Our Products

power transformers

Power Transformers

Quantic ECI manufactures transformers for all switching topologies including Flyback, Forward, Push-Pull, Half or Full Bridge, and Resonant.

Verified Product Parameters:

  • Voltage ranging from 3.3V to 1KV+

  • Switching frequencies typically from 20kHz to 2MHz

  • Output power ratings up to 20KVA

  • Output currents up to 200A

  • Device operating temperature class ratings from -65°C to 220°C

Our power transformers are engineered for demanding applications where reliability and performance are critical.


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high voltage transformers

High Voltage Transformers

Looking for transformers that can handle extreme operating temperatures? We offer wide voltage range and frequency devices with class ratings from -65°C to 220°C. Our high voltage transformers utilize advanced insulation materials to ensure safe, reliable operation in demanding high-voltage applications.

Key Features:

  • Wide voltage range and frequency operation

  • Temperature class ratings from -65°C to 220°C

  • Advanced insulation materials for high-voltage safety

  • Custom designs for extreme operating conditions

  • Ruggedized construction for harsh environments

Applications: High-voltage power supplies, medical imaging equipment, radar systems, and industrial test equipment requiring reliable voltage conversion at elevated potentials
planar magnetics

Planar Magnetics

Our engineering capabilities include magnetic component design, including planar and integrated magnetics. Planar transformer designs offer unique advantages for applications requiring low-profile, high-density power conversion solutions.

Planar Advantages:

  • Low-profile form factor for space-constrained applications

  • Improved thermal management through planar construction

  • Enhanced electromagnetic performance

  • Precise manufacturing repeatability

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Extreme Environment Performance

Our designs are ruggedized to perform from the depths of Antarctica to space missions headed to Mars and the toughest environments in between. Quantic ECI is recognized for the ability to mitigate effects of harsh environments utilizing unique packaging and treatment methods while still preserving optimal electrical performances and are considered experts when designing for mission-critical applications.

Environmental capabilities:

  • Wide voltage range and frequency devices with class ratings from -65°C to 220°C

  • Space-qualified designs for satellite and aerospace applications

  • Ruggedized packaging for harsh industrial environments

Engineering Excellence and Custom Design

Comprehensive Engineering Capabilities

Quantic ECI has a full staffed, expert engineering department equipped with a design library of over 20,000 designs dating back into the 1940's.

Engineering Highlights:

  • Magnetic Component Design, including planar and integrated magnetics

  • Specification Creation with an emphasis on designing for manufacturability

  • Design Verification

  • Injection molded ferrites

  • "Case-less" surface mount technology

CONTACT OUR ENGINEERING TEAM →

Advanced Design Tools

Our engineering team utilizes industry-leading design tools including:

  • Intusoft Spice / Magnetics Designer / Power Designer

  • Planar Transformer Designer

  • OrCad PCB Designer

  • FloWare Coil Designer

  • Gerbtool

  • ProgeCad, Autocad

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Manufacturing Excellence


Quantic ECI maintains state-of-the-art manufacturing equipment in all our facilities. The team utilizes a bar-coded integrated manufacturing process and ISO9001 Quality System.


Our Manufacturing Expertise

 Manufacturing Capabilities:

  • Toroidal & Bobbin Winding - Heavy foil to #52awg

  • Patented automated "Orbital" and "Shuttleless" toroidal winder

  • Vacuum encapsulation

  • Robotic soldering

  • Laser marking

  • Tape & Reel

  • Micro Coax Stripping

  • Auto Pin Insertion

  • IPC J-STD-001FS Space Addendum Certified

  • Fully Equipped Machine Shop

Quality and Testing Excellence

Comprehensive Testing Capabilities

Our testing capabilities include equipment from Voltech, Hewlett Packard, Agilent, Wayne Kerr, Quadtech, Hipotronics, Tektronix, Assoc Research, Mcintosh, Lamda, and more.

Testing Services:

  • Thermal Shock/Cycling

  • Corona Testing

  • Steam Aging

  • Optical Comparator

  • Helmholtz Coil System

  • Zero Gauss Chamber

VIEW OUR TEST SERVICES →

Industry Certifications and Standards

Quantic ECI is certified and conforms to the following standards:

  • AS9100 / ISO9001

  • ITAR registered

  • IPC J-STD-001FS

  • MIL-PRF-27G

  • MIL-STD-981C

  • MIL-STD-202

  • MIL-C-15305

  • MIL-PRF-21038

VIEW OUR QUALITY CERTIFICATIONS →

Industries We Serve

We provide innovative products and quality service for applications in the aerospace, defense, security, medical & commercial industries.

Key Markets

Aerospace & Defense

Mission-critical avionics, power systems, and ruggedized solutions for military applications

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Industrial Automation

Power management and control systems for automated manufacturing

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Medical

Imaging systems, patient monitors, and surgical equipment

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Security

Surveillance and protection systems requiring high reliability

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Sensing

Precision measurement and detection applications

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Marine

Navigation and power systems for maritime environments

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Get Started with Your Transformer Solution

Ready to discuss your transformer requirements? ECI's team of experts is standing by to help you find the perfect solution for your application.




Trust ECI's 75+ years of experience in delivering mission-critical transformer solutions. From prototype to production, we're your partner for reliable, high-performance passive magnetic components.

FAQs for ECI Transformers 

What types of transformers does ECI manufacture?

ECI manufactures custom transformers for mission-critical applications including power transformers, high voltage transformers, and planar magnetics. Our transformers support all switching topologies (Flyback, Forward, Push-Pull, Half/Full Bridge, and Resonant) with voltage ranges from 3.3V to 1KV+, frequencies from 20kHz to 2MHz, and output power up to 20KVA.

What industries use ECI transformers?

ECI transformers serve aerospace and defense, industrial automation, medical, security, sensing, and marine industries. Our designs are ruggedized to perform from the depths of Antarctica to space missions headed to Mars, making them ideal for mission-critical applications in extreme environments.

What certifications do ECI transformers have?

ECI transformers conform to AS9100/ISO9001, MIL-PRF-27G, MIL-STD-981C, MIL-STD-202, MIL-C-15305, and MIL-PRF-21038 standards. We are ITAR registered and IPC J-STD-001FS Space Addendum Certified for space applications.

What temperature range can ECI transformers operate in?

ECI transformers have device operating temperature class ratings from -65°C to 220°C, making them suitable for extreme temperature environments in aerospace, defense, and industrial applications.

Can ECI design custom transformers?

Yes, ECI specializes in custom transformer design with over 75 years of experience since 1947. Our engineering team has a design library of over 20,000 designs and can quickly propose solutions for unique application requirements, including planar and integrated magnetics.

What makes ECI power transformers suitable for aerospace applications?

ECI power transformers are designed for mission-critical aerospace applications with switching frequencies from 20kHz to 2MHz, output currents up to 200A, and temperature ratings from -65°C to 220°C. They conform to aerospace standards including AS9100 and MIL-SPEC requirements.