In the rapidly evolving landscape of technology, the demand for high-performance printed circuit boards (PCBs) is continually increasing. The TLY-5 double-Layer Rigid PCB has been introduced as a cutting-edge solution, specifically engineered to meet the rigorous requirements of automotive radar and telecommunications applications. This article delves into the features, benefits, specifications, and applications of the TLY-5 PCB, providing valuable insights for engineers, manufacturers, and decision-makers.
Introduction to TLY-5
The TLY-5 laminate is crafted from lightweight woven fiberglass, which significantly enhances its dimensional stability compared to traditional chopped fiber reinforced PTFE composites. This woven structure provides a mechanically stable laminate, making it suitable for high-volume manufacturing environments. With a low dissipation factor, the TLY-5 is particularly well-suited for automotive radar applications designed to operate at 77 GHz, as well as for various antennas in millimeter wave frequencies.
Key Features
The TLY-5 PCB boasts several advanced features that set it apart in the market:
Dielectric Constant: The laminate exhibits a dielectric constant of 2.2 with a tight tolerance of 0.02 at 10 GHz / 23°C. This consistency ensures reliable signal integrity across a range of applications.
Loss Tangent: An exceptionally low loss tangent of 0.0009 at 10 GHz minimizes energy loss, enhancing overall efficiency in high-frequency operations.
Density: With a specific gravity of 2.19 g/cm3, the material combines lightweight properties with robust mechanical strength.
Moisture Absorption: The moisture absorption rate is limited to just 0.02%, ensuring stability and reliability in varying environmental conditions.
Coefficient of Thermal Expansion (CTE): The CTE values of 26 ppm/°C in the X-axis, 15 ppm/°C in the Y-axis, and 217 ppm/°C in the Z-axis contribute to the thermal stability of the PCB.
Benefits
The TLY-5 PCB provides a multitude of advantages, making it an excellent choice for various applications:
Dimensionally Stable: The woven fiberglass structure allows for enhanced mechanical stability, ensuring that the PCB maintains its dimensions under different conditions.
Lowest Dissipation Factor: This characteristic leads to improved signal transmission efficiency, making it ideal for high-frequency applications.
Low Moisture Absorption: The minimal moisture absorption enhances the durability and performance of the PCB in humid environments.
High Copper Peel Strength: This feature ensures strong interconnections, contributing to the reliability and longevity of the PCB.
Uniform Dielectric Constant: Consistent dielectric properties lead to dependable performance across a wide frequency range, essential for precision applications.
PCB Construction and Specifications
This 2-Layer Rigid PCB is constructed with meticulous attention to detail:
Stackup: The PCB is composed of two copper layers (35 μm each) surrounding a core of TLY-5 that measures 0.508 mm (20 mil).
Board Dimensions: The dimensions are set at 175 mm x 170 mm, with a tolerance of ±0.15 mm, allowing for precise integration into various designs.
Minimum Trace/Space: The specifications allow for a minimum trace and space of 9/12 mils, accommodating high-density circuit layouts.
Minimum Hole Size: A minimum hole size of 0.3 mm supports a variety of component types and facilitates versatile design options.
Finished Thickness: The finished board thickness is recorded at 0.6 mm, with an outer copper weight of 1 oz (1.4 mils).
Surface Finish: Immersion gold is applied to ensure excellent electrical conductivity and protection against environmental factors.
Silkscreen and Solder Mask: No silkscreen or solder mask is applied, providing a clean and unobstructed surface for assembly.
Testing: A rigorous 100% electrical testing process is employed prior to shipment, ensuring that each board meets stringent performance criteria.
Quality Assurance
The TLY-5 PCB adheres to IPC-Class-2 standards, which guarantees high-quality performance and reliability. This commitment to quality control minimizes the risk of field failures and enhances customer satisfaction.
Typical Applications
The versatility of the TLY-5 PCB makes it suitable for a wide range of applications, including:
Automotive Radar: Ideal for advanced driver-assistance systems (ADAS) and other vehicle safety technologies that require reliable high-frequency performance.
Satellite/Cellular Communications: Effectively supports high-frequency communication systems, ensuring stable connections and data transmission.
Power Amplifiers: Enhances performance in RF applications, providing the necessary reliability for critical systems.
LNBs, LNAs, LNCs: Effective for low-noise applications in satellite communications, contributing to improved signal quality.
Aerospace: Meets rigorous standards for reliability and performance in demanding aerospace applications.
Ka, E, and W Band Applications: Supports cutting-edge technologies in telecommunications and radar systems.
Conclusion
The TLY-5 2-Layer Rigid PCB represents a significant advancement in PCB technology, combining high-performance characteristics with proven reliability and cost-effectiveness. Its robust electrical properties, excellent dimensional stability, and compatibility with standard manufacturing processes make it an ideal choice for modern electronic applications. As the demand for innovative solutions continues to grow, the TLY-5 PCB stands out as a reliable option that meets the challenges of today’s sophisticated designs. Investing in this PCB not only enhances performance but also ensures long-term satisfaction for engineers and their projects.
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20mil TLY-5 PCB 2-layer Circuits with Immersion Gold Images
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