Class D Amplifier Inductors EPS Series China Factory and Wholesale Suppliers

High-performance EPS series Class D amplifier inductors from a leading China factory. As professional suppliers, we provide low DCR and anti-saturation power inductors for output low-pass filters, converting PWM signals to high-fidelity analog audio for superior sound quality.

SupplierHuizhou Xinchangda Electronic Co.,Ltd.www.xcdmagnetic.com

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About this product

Product information from the supplier.

Our Digital Class D Amplifier Inductors (EPS series) are engineered for high-performance power conversion in modern audio systems. Designed to handle high-frequency and high-current operations, these inductors ensure minimal energy loss and maximum signal purity, making them the ideal choice for high-fidelity audio applications where precision and stability are paramount.

By integrating advanced core materials, the EPS series achieves an exceptionally low DC resistance and excellent anti-saturation characteristics. Whether utilized in automotive sound systems or professional communication devices, these compact components optimize system efficiency while reducing electromagnetic radiation, ensuring a clean and reliable power delivery chain.

Detailed Parameters

Inductance Range	6.8uH to 22uH (±20% Tolerance)	Core Material	High-Permeability Ferrite (Low Loss)
Current Capability	High Isat & Irms for Power Stability	DC Resistance	Ultra-Low DCR for Maximum Efficiency
Operating Frequency	Optimized for High-Frequency Switching	Saturation Profile	Excellent Anti-Saturation Characteristics
EMC Performance	Low Electromagnetic Radiation	Thermal Profile	Low Core Loss / Optimized Heat Dissipation
Physical Design	Compact Form Factor for Dense PCBs	Customization	OEM Support based on Customer Drawings

Key Advantages

System Stability

Exceptional anti-saturation properties ensure consistent inductance even under peak current loads.

High Efficiency

Extremely low DC resistance (DCR) minimizes power waste and reduces heat generation.

Hi-Fi Sound Quality

Optimized for Class D amplifiers to deliver high-fidelity audio with minimal harmonic distortion.

Low EMI Emission

Advanced shielding and core design significantly lower electromagnetic radiation.

Compact Dimensions

High power density allows for a smaller footprint on the PCB without compromising performance.

Wide Compatibility

Perfect for automotive audio, consumer electronics, and professional communication devices.

Product Gallery

Management Platforms

OEM Manufacturing

Full support for mass production tailored to your specific technical drawings.

Technical Matching

We match the optimal inductor solution based on your application scenarios.

Requirement Analysis

Precision analysis of electrical requirements to ensure perfect system integration.

Quality Assurance

Rigorous testing for saturation, DCR, and thermal stability under load.

Supply Chain Sync

Efficient delivery pipelines for high-volume electronic component manufacturing.

Performance Tuning

Iterative design optimization to meet the highest Hi-Fi audio standards.

Investment Return Comparison

Performance Metric	Standard Inductors	EPS Series Inductors
Energy Efficiency	Average Loss	Ultra-Low Core Loss
Audio Clarity	Standard Noise	High-Fidelity / Low Noise
Heat Generation	Moderate	Minimal due to Low DCR
Space Utilization	Bulky	Ultra-Compact Design
Saturation Risk	Higher Risk	Excellent Stability

Frequently Asked Questions

Q: What makes the EPS series suitable for Class D amplifiers?

The EPS series is designed specifically for high-frequency switching and high-current loads, providing the low DC resistance and anti-saturation characteristics necessary for high-efficiency Class D power stages.

Q: Can these inductors be customized for specific electrical requirements?

Yes, we provide professional OEM manufacturing. If you provide your application scenarios and electrical specifications, our engineers will match you with an optimal customized solution.

Q: How does low DC resistance (DCR) affect audio quality?

Lower DCR reduces power dissipation as heat and minimizes signal attenuation, which leads to higher efficiency and a cleaner, more accurate audio output.

Q: What are the primary applications for these power inductors?

They are widely used in consumer audio, automotive sound systems, professional audio equipment, computers, and various high-speed communication devices.

Q: What is the significance of the anti-saturation characteristic?

Anti-saturation ensures that the inductor maintains its inductance value even when high currents pass through, preventing circuit instability and distortion.

Q: Do these components help in reducing electromagnetic interference (EMI)?

Yes, the EPS series is engineered for low electromagnetic radiation, which helps in meeting strict EMC standards for electronic devices.