2-Layer TFA1020 High-Frequency PCB 0.25mm Pure Gold Plated

This 2-layer rigid TFA1020 high-frequency PCB is a premium aerospace-grade circuit solution engineered for rigorous microwave and radio frequency application scenarios. Adopting innovative glass-free PTFE nano-ceramic composite dielectric substrate, this circuit board abandons traditional fiberglass-reinforced structures, completely eliminating electromagnetic wave propagation interference caused by glass fibers. It delivers outstanding frequency stability and ultra-low signal loss, offering superior overall performance compared with conventional high-frequency PCB substrates. Featuring an ultra-slim 0.25mm finished thickness and 1oz outer copper cladding, the board adopts pure gold plating surface treatment to deliver excellent electrical conductivity, durable oxidation resistance and long-term operational stability for high-precision aerospace, radar and satellite devices. It supports 4/6 mil fine-line trace and space routing, alongside 0.35mm minimum hole fabrication, with a non-blind via design. The board is processed as full bare copper without any top/bottom solder mask or silkscreen printing.

PCB Specification

PCB Stack-up Structure

This symmetrical dual-layer rigid stackup adopts an ultra-thin TFA1020 nano-ceramic PTFE dielectric core. The unique glass-free structural design greatly reduces X/Y/Z three-dimensional anisotropy, delivering thermal expansion properties highly matched to copper foil. It effectively eliminates electromagnetic signal distortion caused by traditional fiberglass weaving, maintaining uniform electrical performance and outstanding dimensional stability for high-precision aerospace high-frequency circuit applications.

PCB Statistic

This TFA1020 aerospace-grade high-frequency PCB features streamlined component layout and reasonable via distribution. The optimized structural layout adapts to miniaturized precision assembly requirements, sustaining stable and accurate signal transmission for sophisticated RF functional modules.

TFA Series High-Frequency Substrate Overview

TFA series substrates are advanced PTFE ceramic composite dielectric materials tailored for aerospace high-reliability scenarios. Different from conventional high-frequency laminates that adopt glass fiber cloth resin impregnation technology, TFA series utilizes innovative nano-ceramic and PTFE resin integrated molding, paired with exclusive customized lamination processes. Completely free of glass fiber components, the material eliminates the fiberglass effect during electromagnetic transmission, achieving superior frequency stability and industry-leading low dielectric loss. It features minimized multi-directional anisotropy, copper-matched low thermal expansion coefficient and stable dielectric temperature characteristics, fully capable of replacing imported equivalent high-end substrates. The series supports four optional dielectric constants including 2.94, 3.0, 6.15 and 10.2, corresponding to TFA294, TFA300, TFA615 and TFA1020 models to meet diverse high-frequency circuit design demands.

TFA1020 Core Material Advantages

TFA1020 integrates ultra-low signal attenuation, outstanding temperature adaptability and efficient heat dissipation performance. Its stable electrical and mechanical properties ensure consistent and reliable operation of high-frequency circuits under extreme and harsh working environments:

Typical Application Scenarios

Benefiting from glass-free ultra-stable dielectric performance, minimal high-frequency loss, excellent temperature resistance and aerospace-grade reliability, TFA1020 PCBs are widely applied in high-end aviation, aerospace, precision radar and satellite communication fields:

• Aerospace craft, space exploration equipment and airborne cabin electronic systems
• Microwave signal processing devices and high-precision phase-sensitive antenna equipment
• Early warning radar systems and airborne radar facilities
• Phased array antenna systems and RF beamforming network modules
• Satellite communication and navigation positioning equipment
• High-performance RF power amplifier modules

Quality Assurance & Global Service

All TFA1020 aerospace-grade high-frequency PCBs are fabricated in strict accordance with IPC-Class-2 industrial quality standards. Adopting standard Gerber RS-274-X design files, each circuit board features precise dimensional accuracy and excellent electrical repeatability, supporting high-standard batch production. Every finished product undergoes full-coverage electrical performance testing before shipment to rule out functional defects and ensure uniform batch quality. Supported by global logistics networks and professional technical after-sales services, these high-reliability glass-free low-loss PCB solutions provide stable and dependable support for aerospace, defense, satellite communication and precision radar projects worldwide.