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king-inductor

Precision Inductors for Modern Electronics

Over 15 years of expertise in manufacturing high-performance air coils, power inductors, filter inductors, and custom transformers for global industries.

King Inductor Manufacturing Facility
Huizhou Mingda Precision Electronics

About King Inductor

Huizhou Mingda Precise Electronics Co., Ltd. is a high-tech enterprise specializing in the professional customization of special inductors and transformers for over 15 years. As part of the King Inductor Group Asia Co., Ltd., we deliver precision-engineered electronic components trusted by industries worldwide.

Our products are widely applied in communication equipment, medical electronics, automotive systems, sports and fitness devices, beauty equipment, and various consumer electronics. We pride ourselves on our ability to customize solutions according to exact client specifications.

15+
Years Experience
65+
Product Lines

Our Products

From air coils to high-frequency transformers, we offer a comprehensive range of inductive components engineered for reliability, efficiency, and performance.

Air Core Inductor Coil

Air Core Inductor Coil

Precision-wound inductor with no magnetic core, ideal for high-frequency applications requiring minimal core loss.

  • • Low electromagnetic interference
  • • High Q factor
  • • Customizable inductance values
Radial Leaded Inductor

Radial Leaded Inductor

Robust construction with radial leads for through-hole mounting, suitable for power supply and filtering circuits.

  • • High current handling
  • • Stable inductance under load
  • • RoHS compliant
PFC Inductor

PFC Inductor

Designed for Power Factor Correction circuits in AC-DC power supplies to improve efficiency and reduce harmonic distortion.

  • • High saturation current
  • • Low core loss
  • • Optimized for 50/60 Hz operation
Common Mode Choke

Common Mode Choke

Suppresses electromagnetic interference (EMI) in power lines by blocking common-mode noise while allowing differential signals to pass.

  • • EMI/RFI suppression
  • • High impedance to common-mode noise
  • • Available in SMD and through-hole
Toroidal Power Inductor

Toroidal Power Inductor

High-efficiency inductor with toroidal core design offering low electromagnetic radiation and compact footprint.

  • • Low leakage flux
  • • High energy efficiency
  • • Custom winding options
High Frequency Transformer

High Frequency Transformer

Engineered for switch-mode power supplies and DC-DC converters operating at high frequencies with minimal losses.

  • • Low interwinding capacitance
  • • High isolation voltage
  • • Custom turns ratio
Self-bonding Voice Coil

Self-bonding Voice Coil

Used in precision audio and actuator applications, featuring self-adhesive wire for stable coil structure without additional bonding.

  • • High thermal stability
  • • Consistent performance
  • • Custom diameter and length
SMD Air Coil

SMD Air Coil

Surface-mount air core inductor designed for high-frequency RF applications and compact PCB layouts.

  • • Miniaturized footprint
  • • High-frequency stability
  • • Automated placement compatible

Why Choose King Inductor?

Engineered for excellence, built for reliability.

Custom Engineering

We specialize in custom inductor and transformer designs tailored to your exact specifications and application needs.

15+ Years Experience

Over a decade of expertise in electronic component manufacturing ensures consistent quality and innovation.

SGS Certified

Our products meet international quality standards with SGS certification for safety and performance.

Global Reach

Trusted by customers across North America, Europe, and Asia with reliable delivery and support.

65+
Product Lines
15+
Years in Business
100+
Global Clients
99.8%
Quality Yield

Frequently Asked Questions

What is the main advantage of using an air core coil?

Air core coils eliminate core losses and saturation issues, making them ideal for high-frequency applications where stability and low distortion are critical.

Can you customize inductors for specific applications?

Yes, we specialize in custom inductor and transformer designs. Our engineering team works closely with clients to develop solutions that meet exact electrical, mechanical, and environmental requirements.

What industries do you serve?

We serve a wide range of industries including medical electronics, automotive electronics, communication equipment, sports and fitness devices, beauty equipment, and consumer electronics.

Do you offer SMD and through-hole components?

Yes, we manufacture both surface-mount (SMD) and through-hole inductors and transformers to accommodate various PCB assembly methods and design requirements.

Get in Touch

Need a custom solution or product quote? Contact our sales team today.

Angela - Sales Department
+86-13928372064
mingda1@tclmd.cn
Haihua Industrial Park, Zhongkai High Tech Zone, Huizhou City, Guangdong Province, China

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