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Taconic TLC-32

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Taconic TLC-32 PCB Board

In the ever-evolving landscape of PCB design, electrical manufacturers are constantly in search of materials that can meet the exacting demands of high-frequency applications. Taconic TLC-32 has emerged as a groundbreaking option, offering a wide array of advanced features that empower designers to enhance performance and reliability. This article delves into the exceptional attributes of Taconic TLC-32 and examines its invaluable contributions to the high-frequency PCB design industry from the perspective of electrical manufacturers.

Introduction of Taconic TLC

TLC laminates have been specifically designed to offer a cost-effective substrate solution that meets the requirements of a wide range of microwave applications. In comparison to thermoset laminates such as FR-4, PPO, BT, polyimide, and cyanate ester, TLC laminates provide superior electrical performance. Moreover, TLC laminates exhibit exceptional mechanical stability, making them highly reliable for various applications.

When it comes to processing TLC laminates, they can be easily sheared, drilled, milled, and plated using standard methods employed for PTFE/woven fiberglass materials. This allows for seamless integration into existing manufacturing processes. Additionally, TLC laminates demonstrate excellent dimensional stability, ensuring precise and consistent fabrication results. Furthermore, their minimal moisture absorption during fabrication contributes to their reliability and longevity.

All in all, TLC laminates offer a compelling solution for PCB engineers seeking a cost-effective substrate with outstanding electrical performance, mechanical stability, and ease of processing. Their compatibility with standard manufacturing techniques and reliable dimensional stability make them a preferred choice for a wide range of applications.

What is Taconic TLC-32?

Taconic TLC-32 is a type of PCB (Printed Circuit Board) material manufactured by Taconic, a leading provider of high-performance laminates and prepregs for the electronics industry. TLC-32 is specifically engineered for microwave and high-frequency applications that require exceptional electrical performance.

Taconic TLC-32 PCB material is based on woven fiberglass reinforced PTFE (Polytetrafluoroethylene) substrate. It offers excellent electrical properties, including low loss and consistent dielectric constant across a wide range of frequencies. These characteristics make TLC-32 suitable for applications that demand high signal integrity and minimal signal loss, such as RF (Radio Frequency), microwave, and wireless communication systems.

In addition to its superior electrical performance, TLC-32 exhibits excellent mechanical stability and dimensional control. This ensures reliable and consistent fabrication, even in complex PCB designs. The material can be easily processed using standard PCB manufacturing techniques like shearing, drilling, milling, and plating.

Taconic TLC-32 PCB material is known for its reliability, durability, and resistance to environmental factors. It has low moisture absorption, which helps maintain its electrical and mechanical properties over time. This makes it suitable for applications that require long-term performance and stability.

Overall, Taconic TLC-32 is a high-performance PCB material designed for demanding microwave and high-frequency applications. Its combination of excellent electrical properties, mechanical stability, and ease of processing makes it a preferred choice for engineers working on advanced electronic systems.

Benefits of Taconic TLC-32

Taconic TLC-32 offers a range of notable benefits that make it a preferred choice for PCB engineers:

Outstanding PIM Values:

Taconic TLC-32 exhibits exceptional performance in terms of Passive Intermodulation (PIM) values. With measurements lower than -160 dBc*, it ensures minimal interference and superior signal integrity in PCB applications.


Despite its advanced features, Taconic TLC-32 is available at a competitive price point. This makes it an attractive option for engineers seeking high-performance materials without compromising on budgetary constraints.

Precisely Controlled Dielectric Constant (Dk):

Taconic TLC-32 boasts tightly controlled dielectric constant, ensuring consistent electrical performance across a wide range of frequencies. This characteristic is crucial in applications where maintaining signal integrity and minimizing signal loss are paramount.

Low Dissipation Factor (Df):

With a low dissipation factor, Taconic TLC-32 minimizes energy loss and attenuates the occurrence of unwanted electrical losses. This feature contributes to improved overall system efficiency and reduced signal degradation.

Excellent Dimensional Stability:

Taconic TLC-32 exhibits remarkable dimensional stability, maintaining its shape and size under varying environmental conditions and during fabrication processes. This ensures reliable and consistent fabrication, even in complex PCB designs.

High Flexural Strength:

The material possesses high flexural strength, which enables it to withstand mechanical stress and resist deformation. This characteristic is particularly beneficial in applications where the PCB may be subject to bending or flexing.

UL 94 V-0 Rating:

Taconic TLC-32 has achieved a UL 94 V-0 rating, indicating its excellent fire resistance properties. This rating certifies that the material meets stringent safety standards and contributes to the overall safety of electronic systems.

Application of Taconic TLC-32

Taconic TLC-32 finds application in various areas within the electronics industry, including:

1. LNBs (Low-Noise Block Downconverters): TLC-32 is well-suited for use in LNBs, which are essential components in satellite communication systems. Its excellent electrical properties, such as low loss and controlled dielectric constant, contribute to the efficient reception and processing of satellite signals.

2. Power Amplifiers: TLC-32 is commonly employed in power amplifier circuits due to its ability to handle high-frequency signals with minimal loss. Its low dissipation factor and tightly controlled dielectric constant ensure efficient power transfer and signal amplification.

3. PCS/PCN Large Format Antennas: TLC-32 is suitable for large format antennas used in Personal Communication Systems (PCS) and Personal Communication Networks (PCN). These antennas require materials with low loss and consistent electrical performance to achieve optimal signal reception and transmission.

4. Passive Components: TLC-32 is utilized in the manufacturing of various passive components, such as filters, couplers, and baluns. Its excellent dimensional stability and reliable electrical properties contribute to the performance and reliability of these components.

Overall, Taconic TLC-32 is applied in a range of electronic devices and systems, including LNBs, power amplifiers, large format antennas, and passive components. Its exceptional electrical properties and reliability make it a preferred choice for engineers working on high-frequency and microwave applications.

Taconic TLC-32 vs. Traditional PCB Materials

Taconic TLC-32 is a type of high-performance PCB material that offers several advantages over traditional PCB materials. Here are some key points to consider when comparing Taconic TLC-32 with traditional PCB materials:

1. Dielectric Constant: Taconic TLC-32 has a lower dielectric constant compared to traditional PCB materials. This means it provides better signal integrity and reduced signal loss, especially at high frequencies. It allows for improved impedance control and can help in designing high-speed circuits.

2. Loss Tangent: Taconic TLC-32 has a lower loss tangent, which means it has lower signal loss and better signal quality compared to traditional materials. This is particularly important for high-frequency applications where signal integrity is crucial.

3. Thermal Stability: Taconic TLC-32 offers excellent thermal stability, allowing it to withstand high temperatures without significant degradation. This makes it suitable for applications that require reliable performance in demanding thermal environments.

4. Dimensional Stability: Taconic TLC-32 has good dimensional stability, meaning it maintains its shape and size even under varying temperature and humidity conditions. This is important for ensuring the accuracy and reliability of the PCB during manufacturing and operation.

5. RoHS Compliance: Taconic TLC-32 is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive, which restricts the use of certain hazardous materials in electronic products. This compliance is important for meeting regulatory requirements and environmental standards.

It’s important to note that the suitability of Taconic TLC-32 or any other PCB material depends on the specific requirements of your application. Factors such as cost, availability, manufacturing processes, and specific electrical and mechanical requirements should also be considered when making a decision.

Manufacturing Considerations and Best Practices for Working with Taconic TLC-32

When working with Taconic TLC-32 or any high-performance PCB material, there are several manufacturing considerations and best practices to keep in mind. Here are some key points to consider:

1.Material Handling:

Proper handling of Taconic TLC-32 is crucial to prevent damage and maintain its performance. It is recommended to store the material in a controlled environment with stable temperature and humidity. Avoid exposing the material to excessive heat, moisture, or direct sunlight.

2.PCB Design:

Designing PCBs with Taconic TLC-32 requires attention to detail. Consider the material’s electrical properties, such as dielectric constant and loss tangent, when determining trace widths, spacing, and impedance control. Follow the manufacturer’s guidelines and design rules to ensure optimal performance.

3.Fabrication Techniques:

Taconic TLC-32 can be processed using standard PCB fabrication techniques, but some adjustments may be necessary due to its unique properties. Consult with the manufacturer or material supplier for specific guidelines on drilling, routing, and lamination processes.

4.Copper Cladding:

Taconic TLC-32 is available with different copper cladding options. Choose the appropriate copper thickness based on your application’s current carrying capacity and thermal requirements. Ensure proper adhesion between the copper and the substrate by following recommended surface preparation and bonding processes.

5.Thermal Considerations:

Taconic TLC-32 offers good thermal stability, but thermal management is still important in high-power or high-temperature applications. Consider using additional heat sinks, thermal vias, or other cooling techniques to dissipate heat effectively.

6.Testing and Quality Control:

Perform thorough testing and quality control measures during the manufacturing process to ensure the integrity and reliability of the PCBs. This includes electrical testing, impedance measurements, and inspection for any defects or delamination issues.

7.Supplier Collaboration:

Collaborate closely with your PCB manufacturer and material supplier. They can provide valuable insights and recommendations specific to Taconic TLC-32, ensuring that the manufacturing process aligns with the material’s requirements.


Taconic TLC-32 stands as a testament to the relentless pursuit of excellence in PCB materials. Its outstanding electrical properties, cost-effectiveness, dimensional stability, and fire resistance make it an indispensable choice for designers working on LNBs, power amplifiers, large format antennas, and passive components. With Taconic TLC-32 at their disposal, PCB designers can confidently embark on high-frequency projects, knowing that they have a material that not only meets their stringent requirements but also elevates the performance and reliability of their designs. Embrace the power of Taconic TLC-32 and unlock the true potential of your high-frequency PCB designs

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