OUR PRODUCTS
High-Quality Magnetics for Critical Applications
Transformers
Custom toroidal, planar, and bobbin-wound transformers for industrial, EV, and high-performance applications.
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Toroidal & Bobbin-Wound Transformers
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Copper Stack-Up Planar Transformers
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High-Voltage Transformers
Inductors
Wide range of inductors engineered for reliability and performance in automotive, industrial, and grid applications.
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Toroidal & Bobbin-Wound Inductors
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Planar Inductors (PCB-based)
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AEC-Q200 Qualified Inductors
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Molded Parts & Custom Manufacturing
Precision-molded bobbins, toroid retainers, and custom assemblies tailored to your specifications.
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Molded Bobbins
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Toroid Retainers
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Full Custom Manufacturing
Encapsulated Solutions
Thermal encapsulated transformers designed for durability in EV, military, and industrial-grade environments.
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EV Charger Encapsulation
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Thermal Encapsulated Transformers
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Surface-Mount Components
Compact, high-performance SMT transformers and inductors for space-constrained designs.
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SMT Flyback Transformers
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SMT Current Sense Transformers
OUR CAPABILITIES
Engineering Services to Support Your Build
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Custom Transformers and Inductors
Planar, toroidal, and bobbin-wound designs tailored to your exact performance requirements.
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Automotive Power Systems
Automotive-qualified magnetics for EV and hybrid platforms, including onboard chargers and auxiliary systems.
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Design Optimization and Engineering Support
Collaborate with our engineering team to improve efficiency, reduce loss, and meet EMI targets.
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Thermal Encapsulation Techniques
Precision-applied potting for improved heat dissipation and environmental durability.
ENGINEERED TO PERFORM
Discover GB International
GB International is a U.S.-based manufacturer of custom transformers and inductors serving high-demand industries like automotive, industrial power, and grid stabilization. We specialize in helping engineers and OEMs solve complex power conversion challenges, delivering precision-engineered solutions, rapid prototyping, and seamless scaling from design to mass production.
With decades of hands-on experience and a reputation for reliability, we offer more than components — we deliver confidence.
INDUSTRIES SERVED
Proven Performance in Demanding Environments
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Grid Stabilization
Smooth voltage, isolate loads, and improve harmonic performance with custom toroidal transformers.
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Industrial Power Systems
Reliable transformers and inductors for high-frequency converters, UPS, and distribution systems.
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EV and Hybrid Platforms
High-reliability solutions built for thermal management, compact layout, and high power density.
OUR PARTNERS
We partner with leading organizations to expand design capabilities, strengthen engineering support, and build valuable industry connections.
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