Product Overview

Defon Electronics manufactures toroidal step-up transformers designed to efficiently convert lower input voltages into higher, stable output voltages for industrial, commercial, and OEM applications.

Using advanced toroidal core technology, these transformers offer high efficiency, low magnetic leakage, and ultra-low noise operation compared to conventional transformer designs.

Our step-up toroidal transformers are widely used in industrial equipment, export electrical systems, laboratory devices, audio systems, renewable energy applications, and specialized power supply units requiring voltage boosting capability.

We support full OEM/ODM customization including voltage ratios, power ratings, insulation class, shielding, and mechanical design.

Key Features

  • High-efficiency toroidal core construction
  • Stable voltage step-up (boost) performance
  • Low magnetic leakage and ultra-low noise
  • Compact and lightweight structure
  • High energy efficiency and low loss
  • Strong thermal stability for continuous operation
  • Custom input/output voltage ratios available
  • OEM / ODM customization supported
  • Suitable for industrial and export applications
  • Long service life and high reliability

Applications

Toroidal step-up transformers are widely used in:

Industrial Equipment

  • Voltage boosting systems
  • Industrial power supply units
  • Machinery control systems
  • Automation systems

Export OEM Products

  • Multi-voltage international equipment
  • Electrical export devices
  • Cross-border OEM products
  • Industrial power modules

Audio & Electronics

  • Professional audio amplifiers
  • Hi-fi sound systems
  • Studio equipment
  • High-performance electronics

Medical & Laboratory Equipment

  • Diagnostic devices
  • Laboratory instruments
  • Precision measurement systems
  • Testing equipment

Renewable Energy Systems

  • Inverters and converters
  • Solar power systems
  • Energy storage systems
  • Hybrid power solutions

Electrical Performance

  • Efficient voltage boosting with minimal loss
  • Low noise toroidal design for sensitive environments
  • Stable output under load variation
  • High dielectric strength insulation system
  • Reduced electromagnetic interference
  • Excellent thermal performance under continuous use
  • Reliable operation in industrial environments

Customization Options

We support full OEM/ODM customization:

  • Input voltage: 110V / 220V / 230V / 240V / 277V / custom
  • Output voltage: custom step-up ratios
  • Power rating: tailored VA range
  • Frequency: 50Hz / 60Hz
  • Insulation class: B / F / H
  • Shielding: electrostatic shielding optional
  • Mounting type: chassis / enclosed / PCB / custom housing
  • Terminal / connector / lead wire design
  • Safety certification: UL / CE / ETL options
  • OEM branding / private labeling

Why Defon Electronics

Defon Electronics is a professional manufacturer of toroidal step-up transformers, providing high-efficiency voltage boosting solutions for global industrial and OEM customers.

  • Strong OEM/ODM engineering capability
  • Expertise in toroidal core technology
  • Stable mass production quality control
  • Competitive factory pricing
  • Fast prototyping and customization support
  • Global export experience

We support both small batch customization and large-scale production.