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Precision Ceramic EMI Filters & Capacitors

High-performance EMI/RFI suppression solutions for aerospace, defense, medical, telecommunications, and premium audio applications since 2005.

Who We Are

LCA® has been pioneering EMI solutions and premium audio components since 2005. We are a Chinese leader in the design and manufacture of ceramic EMI/RFI components.

Fuzhou LCA (Xinxiangwei) Electronics Co., Ltd is our production facility in China, while Bruce&LCA Company serves as our international trading arm based in the USA.

ISO9001:2008 Certified (2014)
RoHS Compliant Filters
GB/T 28001-2011 & ISO 14001:2004 Certified
AENOR 16949 Certified (2024)
LCA Manufacturing Facility

Industries We Serve

Defense & Aerospace

Medical Equipment

Telecommunications

High-End Audio

Our Product Range

We manufacture high-reliability EMI filters, feedthrough capacitors, and premium audio components for critical applications.

Screw Type EMI Filters

Screw Type EMI Filters

Available in Metric, 6-32, 8-32, 8-36, 12-28, 12-32, and 5/16-32 thread options.

  • • Hermetic Seals
  • • Low-Pass Filtering
  • • RF & Microwave Use
Tubular Ceramic Capacitors

Tubular Ceramic Capacitors

High-stability capacitors for RF and DC feedthrough applications.

  • • High Dielectric Strength
  • • Low ESR
  • • Stable Over Temperature
Solder Mount Feed-Thru Capacitors

Solder Mount Feed-Thru Capacitors

Ideal for PCB mounting and RF shielding enclosures.

  • • Direct Solder Mount
  • • High-Frequency Performance
  • • Compact Design
Press-In Filters

Press-In Filters

Designed for quick installation without soldering.

  • • Tool-Free Installation
  • • Vibration Resistant
  • • High Reliability
Obbligato Gold Capacitors

Obbligato Gold Capacitors

Premium audio capacitors for high-fidelity sound systems.

  • • 24K Gold Electrodes
  • • Ultra-Low Distortion
  • • Audiophile Grade
Glass to Metal Feedthroughs

Glass-to-Metal Seals

Hermetic RF/DC feedthroughs for harsh environments.

  • • Hermetic Sealing
  • • High Temp Resistant
  • • Long-Term Reliability
Multilayer EMI Filter Chips

Multilayer EMI Filter Chips

Surface-mount filters for compact electronic designs.

  • • Miniature Size
  • • High Capacitance Density
  • • SMD Compatible
Filtered Assembly Plates

Filtered Assembly Plates

Integrated filtering solutions for complex systems.

  • • Multi-Channel Filtering
  • • Custom Configurations
  • • High Isolation
View Full Product Catalog

Why Choose LCA?

Certified Quality

ISO9001, ISO14001, AENOR 16949, and RoHS compliant manufacturing processes ensure reliability and environmental responsibility.

Custom Solutions

We offer tailored EMI suppression filters and feedthroughs for aerospace, defense, and specialized industrial applications.

Advanced Manufacturing

State-of-the-art capacitor production lines and rigorous testing ensure consistent performance and longevity.

2005
Founded
19+
Years Experience
50+
Countries Served
100K+
Units Shipped

Frequently Asked Questions

What are feedthrough capacitors used for?

Feedthrough capacitors are used to suppress electromagnetic interference (EMI) in high-frequency circuits by providing a low-impedance path to ground for noise signals.

Are LCA filters RoHS compliant?

Yes, all LCA low-pass filters are RoHS compliant and meet environmental safety standards.

Can you customize EMI filters?

Yes, we offer custom EMI filter solutions tailored to specific frequency ranges, thread sizes, and environmental requirements.

What is the difference between a feedthrough capacitor and a regular capacitor?

Feedthrough capacitors are designed to be mounted on a conductive panel, providing superior EMI filtering by minimizing lead inductance and offering a direct ground path.

Get in Touch

For quotes, technical support, or custom solutions, contact our team today.

10F, Building A01, Wanyang Entrepreneurial City, No.99 Tingjiang Road, Mawei District, Fuzhou-350016, Fujian, China
+86-18060817739
live:lotus.xiangwei

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