Custom Inductors

Description

DEFON Electronics Custom Inductors – Precision Magnetic Solutions Tailored to Your Exact Requirements

In the world of electronic design, one size rarely fits all. Off-the-shelf inductors often force designers to compromise on performance, board space, or cost. DEFON Electronics eliminates these compromises by offering custom inductors engineered to meet your exact electrical, mechanical, and environmental specifications. From power supplies to medical electronics, our custom inductors deliver optimal performance for your unique application.

Applications for DEFON Custom Inductors

DEFON custom inductors serve critical functions across a diverse range of industries and applications:

• Power Supplies: Custom inductors for AC-DC and DC-DC converters requiring specific inductance values, current ratings, and saturation characteristics that standard components cannot provide.

• Test Equipment: Precision inductors for laboratory instruments, signal generators, and impedance matching networks demanding tight tolerances and stable performance.

• Medical Electronics: High-reliability inductors for patient monitoring systems, diagnostic equipment, and therapeutic devices requiring specific isolation, leakage, and safety characteristics.

• Manufacturing Equipment: Robust inductors for industrial machinery, automation systems, and process control equipment operating in harsh environments with unique electrical requirements.

• Telecommunications Infrastructure: Custom magnetics for network equipment requiring specific frequency response and impedance characteristics.

• Renewable Energy Systems: Inductors optimized for solar inverters, wind turbine converters, and battery storage systems with unique power handling requirements.

• Electric Vehicle Charging: Custom chokes and filters for EV charging infrastructure with specific current and thermal demands.

• Aerospace and Defense: Mission-critical inductors meeting stringent reliability and performance specifications.

When Are Custom Inductors the Best Choice?

While standard inductors suffice for many applications, several scenarios make custom power inductors the optimal choice:

• Unique Circuit Requirements: Every electronic circuit has its own characteristics. Custom inductors are best designed after the digital portion of the circuits is finalized, allowing optimization for the specific analog and power requirements of your design.

• High-Speed Circuit Optimization: In high-speed circuits, standard inductors may introduce unexpected parasitic effects. Custom inductors can be optimized for performance to counter electromagnetic interference (EMI) issues and avoid interfering with adjacent circuits.

• Space Constraints: When board space is at a premium, custom inductors can be designed in non-standard footprints or profiles to fit tight layouts.

• Thermal Challenges: Applications with unique thermal environments benefit from custom designs optimized for specific heat dissipation requirements.

• Combined Functions: Custom inductors can integrate multiple functions (e.g., filtering and energy storage) in a single component, reducing part count and board space.

• Regulatory Compliance: When standard components cannot meet specific safety, isolation, or emissions requirements, custom designs provide a path to compliance.

Our Custom Inductor Manufacturing Capabilities

DEFON Electronics operates as a full-service contract manufacturer with extensive capabilities for custom inductor production:

• Hand Assembly: Skilled technicians perform precision hand assembly for complex designs, low-volume production, and prototype quantities requiring careful attention to detail.

• Potting and Encapsulation: We offer potting and encapsulation services to protect inductors from moisture, vibration, and thermal stress. Options include:

  • Epoxy potting for mechanical stability and environmental protection

  • Conformal coating for lightweight protection

  • Hermetic sealing for extreme environments

• Automated Electrical Testing: Every custom inductor undergoes rigorous electrical testing to verify performance against specifications. Our automated test systems measure:

  • Inductance at specified frequencies and bias currents

  • DC resistance (DCR)

  • Saturation current (Isat)

  • Temperature rise under load

  • Isolation and hipot (where applicable)

• Magnetic Core Selection: We work with a wide range of core materials and geometries to optimize performance for your specific frequency, current, and temperature requirements.

• Winding Optimization: Precision winding techniques minimize parasitic capacitance and leakage inductance while ensuring consistent turns count and layer alignment.

The Custom Design Process at DEFON Electronics

When you choose DEFON Electronics for custom inductors, you benefit from a structured design process that ensures success:

1. Requirements Definition: Our engineering team works with you to define all electrical, mechanical, and environmental requirements.

2. Initial Design and Simulation: We create an initial design and simulate performance under your operating conditions.

3. Prototype Development: Rapid prototyping delivers samples for testing in your actual circuit.

4. Design Validation: You test prototypes to validate performance and provide feedback.

5. Iteration and Optimization: We refine the design based on test results and feedback.

6. Production Scaling: Once design is finalized, we scale to production volumes with consistent quality.

7. Ongoing Support: We provide continued support for design updates, second sourcing, and volume forecasting.

Technical Specifications

DEFON Electronics offers custom inductors in virtually unlimited configurations:

• Size Range / Form Factor: Available in a broad range of sizes and bobbin types, including self-leaded, surface mount (SMT), and through-hole configurations to accommodate various PCB layouts and assembly processes. Custom footprints and form factors available.

• Output Range: Built to meet industry standards and customer requirements, with custom electrical specifications tailored to your application’s voltage, current, and frequency needs.

• Inductance Range: Custom values from nanohenries to henries, with tolerances as tight as ±1% where required.

• Current Handling: Designed for continuous and peak current demands with appropriate saturation margins.

• Operating Temperatures: Multiple insulation classes available to match your thermal environment: 130°C, 155°C, 180°C, and 200°C. Extended temperature ranges available for specialized applications.

• Packaging Options: Flexible packaging to support your manufacturing process, including tray, bulk, and tape-and-reel formats for automated assembly.

Compliance and Standards

DEFON Electronics is committed to manufacturing products that meet global standards for safety and quality:

• EN60950, UL60601, CSA: Our custom inductors are designed and manufactured to be compatible with major international safety standards for reinforced isolation where required.

• IPC-A-610: Manufactured in accordance with IPC-A-610 acceptability standards for electronic assemblies, ensuring consistent quality and reliability.

• RoHS3 and Conflict-Free: All inductors comply with RoHS3 environmental standards and Conflict-Free sourcing requirements, supporting ethical and sustainable supply chains.

Why Choose DEFON Electronics for Custom Inductors?

With decades of combined experience in magnetic component design and manufacturing, DEFON Electronics understands that every application has unique requirements. We combine precision manufacturing with deep technical expertise to deliver custom inductors that provide optimal performance, reliable operation, and long-term dependability.

Our capabilities include:

• Experienced engineering team for design support

• Flexible manufacturing for prototypes to high volume

• Comprehensive testing to ensure specification compliance

• Quality systems that meet industry standards

• Responsive customer service and technical support

Contact DEFON Electronics Today

DEFON Electronics is a contract manufacturer specializing in custom inductors built to meet each customer’s exact requirements. We are highly skilled in hand assembly, potting and encapsulation, automated electrical testing, and more.

When you’re ready for custom inductors designed specifically for your application, contact DEFON Electronics today. Our expert team is ready to discuss your requirements and develop the perfect magnetic solution for your project.