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Electrical Products

Toroidal Transformers

Low-Profile, High-Efficiency Magnetic Components for Power Conversion

Our toroidal transformers are engineered for applications requiring **minimal electromagnetic interference, compact form factors, and superior efficiency**. Built with continuous-wound toroidal cores, these transformers deliver exceptional performance with reduced magnetic flux leakage and lower audible noise compared to traditional E-I core designs.

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Toroidal Transformers - Product Image
Low EMI
Minimal magnetic leakage
Quiet Operation
Reduced audible noise
98%
Efficiency
50Hz
Frequency
Product Overview

Engineered for Excellence

Toroidal Transformers - Overview

Toroidal transformers utilize **continuous-wound cores** that eliminate air gaps and provide superior magnetic coupling. This design enables higher efficiency, reduced core losses, and exceptional power density—making them ideal for audio equipment, medical devices, industrial controls, and high-performance power supplies.

Each transformer is precision-wound with high-grade copper wire and carefully selected core materials to meet specific voltage, current, and power requirements. Our manufacturing process ensures consistent electrical characteristics and mechanical stability across all production volumes.

Premium Product Features

Why Choose Our Toroidal Transformers

Low Magnetic Leakage

Toroidal core design minimizes electromagnetic interference, making these transformers ideal for sensitive electronic applications where EMI suppression is critical.

High Efficiency Operation

Continuous-wound cores eliminate air gaps, achieving up to 98% efficiency with reduced core losses and improved thermal performance.

Compact Form Factor

Toroidal geometry enables smaller, lighter designs compared to traditional E-I transformers while delivering equivalent or superior power handling.

Quiet Operation

Reduced magnetostriction and optimized core materials minimize audible noise, essential for audio equipment and medical devices.

Product Applications

Trusted in Advanced Systems

Built for sectors where performance, reliability, and quality are non-negotiable.

High-fidelity audio amplifiers & preamplifiers

Medical equipment power supplies

Industrial control systems & automation

Telecom & data center power modules

LED driver circuits & lighting systems

Precision instrumentation & test equipment

Technical Specifications

Product Summary

Custom specifications available on request.

Power Range
5 VA – 5 kVA
Frequency
50/60 Hz, 400 Hz
Efficiency
Up to 98%
Voltage Range
12 V – 480 V
Temperature Range
-25°C to +85°C
Core Material
Grain-oriented silicon steel
Mounting
Bracket, PCB, chassis
Standards
IEC 61558, UL 5085, EN 61558
Why Our Toroidal Transformers Stand Out

Built Without Compromise

Superior EMI Performance

Minimal magnetic leakage reduces electromagnetic interference in sensitive circuits.

Precision Manufacturing

Continuous-wound construction ensures consistent electrical characteristics and reliability.

Scalable Production

Available from prototype quantities to high-volume manufacturing with stable performance.

Custom Design Support

Engineering assistance for voltage ratios, power ratings, and mechanical integration.

Global Compliance

Meets IEC, UL, and regional safety standards for worldwide deployment.

Customization Options

Tailored to Your Needs

Whatever your requirements demand, we deliver a tailored solution.

Custom voltage ratios and power ratings
Multiple secondary windings
Shielded windings for enhanced EMI suppression
Thermal protection and overcurrent protection options
Custom mounting brackets and mechanical configurations
Specialized core materials for specific applications
Conformal coating and potting for harsh environments
UL/CSA/CE marking and certification support
Frequently Asked Questions Icon FAQ's

Frequently Asked Questions

Kisentra provides comprehensive engineering and manufacturing solutions across the entire product lifecycle. Our core service offerings include:

  • New Product Introduction (NPI) - From concept to production
  • Industrial Engineering Solutions - Custom machinery and automation
  • Engineering Consulting - Process optimization and cost reduction
  • Manufacturing Services - Contract manufacturing and aftermarket support
  • Automation & Technology - Industry 4.0 and smart manufacturing
  • Supply Chain & Quality - Vendor development and quality management

We have extensive experience serving diverse industries with specialized solutions tailored to their unique requirements. Our industry expertise spans:

  • Aerospace & Defense - Precision components and assemblies
  • Automotive & EV Components - Next-generation mobility solutions
  • Oil & Gas, Energy & Utilities - Heavy-duty industrial equipment
  • Medical Devices & Healthcare - Regulated manufacturing environments
  • Robotics & Industrial Automation - Advanced automation systems
  • Agriculture, Marine, Consumer Electronics - And many more sectors

Our NPI services cover the entire product development journey from initial concept through to mass production. We provide end-to-end support including:

  • Proof of concept development and validation
  • 3D CAD modeling and design optimization
  • Rapid prototyping with iterative testing
  • DFM/DFA analysis for manufacturability
  • Reverse engineering for legacy products
  • Seamless transition from prototyping to production

We design and build custom industrial engineering solutions that optimize your manufacturing operations and increase productivity. Our capabilities include:

  • Special Purpose Machines (SPM) tailored to your specific needs
  • Automated assembly workstations for consistent quality
  • Single piece flow assembly lines for reduced lead times
  • Custom jig, fixtures, and tooling for precision manufacturing
  • Material handling systems and conveyor solutions
  • Test stations and quality control systems

Yes, our experienced engineering consultants help optimize your operations, reduce costs, and improve quality. Our consulting services include:

  • Business Process Re-Engineering for operational excellence
  • Value engineering and cost reduction strategies
  • DFM/DFA consulting for design optimization
  • QMS documentation and audit services
  • Supplier assessment and development programs
  • Continuous improvement and lean manufacturing implementation

We offer flexible manufacturing services to meet your production needs, from low-volume prototypes to high-volume production runs. Our manufacturing capabilities include:

  • Contract manufacturing with complete project management
  • Make-to-order manufacturing for custom requirements
  • Scalable production from prototype to mass production
  • Aftermarket support and spare parts manufacturing
  • Quality control with comprehensive testing and inspection
  • Advanced machining, fabrication, and assembly capabilities

Our Automation & Technology solutions leverage cutting-edge Industry 4.0 technologies to transform traditional manufacturing into smart, connected operations. We provide:

  • IoT-enabled automation systems with real-time monitoring
  • Smart manufacturing solutions with data analytics
  • Industrial automation and robotics integration
  • Legacy equipment retrofitting with modern controls
  • Scalable solutions compatible with existing infrastructure
  • Digital transformation consulting and implementation

Quality and compliance are at the core of everything we do. We maintain rigorous quality standards throughout our operations with:

  • ISO-certified quality management systems
  • Comprehensive quality control and inspection protocols
  • Industry-specific certifications and compliance expertise
  • Vendor qualification and quality assurance programs
  • Continuous improvement and corrective action processes
  • Full traceability and documentation for regulated industries

Your Product. Built Right.

We help you move seamlessly from concept to full-scale production with precision.
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Toroidal Transformers | Kisentra Products