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Taconic TLF-35A

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Taconic TLF-35A PCB Board

In the dynamic landscape of PCB design, selecting the right material is paramount for ensuring optimal performance and reliability. Among the myriad options, Taconic TLF-35A stands out as a compelling choice. Engineered with precision and innovation, TLF-35A addresses key considerations in modern electronic applications. From improved PIMD performance to high-frequency stability, this material offers a harmonious blend of attributes crucial for cutting-edge PCB designs.

As we delve into the nuances of Taconic TLF-35A, it becomes evident that its advanced features cater to the evolving demands of industries reliant on robust and efficient PCB solutions. This article aims to dissect the key qualities of TLF-35A, shedding light on why it emerges as a frontrunner in the realm of PCB materials.

Taconic TLF-35A

TLF-35A represents an organic-ceramic laminate within Taconic’s comprehensive product portfolio. Notably, TLF-35A advanced stands out as the optimal choice for applications demanding a balance of low cost and high volume in the realm of commercial microwave and radio frequency utilization. This particular laminate variant, TLF-35A advanced, excels in peel strength, particularly for ½ ounce and 1 ounce copper, while concurrently delivering superior high-frequency performance.

Distinguishing itself from its predecessor, TLF-35A advanced mirrors the commendable electrical properties of TLF-35A but boasts a more stringent dielectric constant (DK) tolerance. The refined TLF-35A advanced formulation is strategically engineered to enhance PIMD (Passive Intermodulation Distortion) performance on size-effective boards, particularly in antenna applications.

It is noteworthy that the dielectric constant of TLF-35A advanced registers at 3.5, presenting a slight elevation from its counterpart, TLF-35A, while aligning with industry-standard PIMD levels. This deliberate design choice addresses the prevalent need for improved PIMD performance in base materials where a dielectric constant of approximately 3.0 is commonly sought. In summary, TLF-35A advanced not only maintains similar PIMD levels but also ensures an enhanced dielectric constant of 3.5, making it a judicious selection for applications demanding advanced performance in the field of printed circuit board engineering.

Benefits of Using Taconic TLF-35A

The utilization of Taconic TLF-35A imparts several distinct advantages, making it a preferred choice for various applications in the realm of PCB engineering. The key benefits include:

Improved PIMD with DK3.5:

TLF-35A facilitates enhanced Passive Intermodulation Distortion (PIMD) performance, aligning with industry standards, while featuring a dielectric constant (DK) of 3.5. This ensures optimal signal integrity and reduced interference in high-frequency applications.

Improved Plated Through-Hole (PTH) Quality:

The material contributes to elevated quality in Plated Through-Holes (PTH), enhancing the integrity and reliability of interconnections within the PCB. This improvement is crucial for maintaining signal integrity and minimizing signal losses.

Stable at High Frequency:

TLF-35A demonstrates stability even in high-frequency applications, ensuring consistent and reliable performance across a broad spectrum of frequencies. This characteristic is particularly beneficial in radio frequency and microwave applications.

Stable at High Temperature:

The material exhibits stability at high temperatures, making it suitable for applications where elevated operating temperatures are encountered. This stability contributes to the longevity and durability of the PCB in challenging thermal environments.

Low Moisture Absorption:

TLF-35A showcases low moisture absorption properties, safeguarding the PCB against the deleterious effects of moisture. This feature is essential for maintaining the electrical and mechanical properties of the material over time.

Excellent Peel Strength:

TLF-35A excels in peel strength, particularly with ½ ounce and 1 ounce copper. This characteristic ensures robust adhesion and reliability in multi-layered PCB constructions, contributing to the structural integrity of the overall system.

Excellent Price/Performance Ratio:

The material offers a commendable balance between performance and cost, presenting an excellent price/performance ratio. This makes TLF-35A a cost-effective solution without compromising on critical electrical and mechanical properties.

Disadvantages of Taconic TLF-35A

While Taconic TLF-35A PCB material offers several advantages, it’s important to consider potential disadvantages to make informed decisions for specific applications. Here are some aspects that might be considered as limitations:

Dielectric Constant (DK): The dielectric constant of TLF-35A is 3.5, which may be considered relatively high for certain applications. In scenarios where a lower dielectric constant is crucial, designers may need to explore alternative materials to meet specific performance requirements.

Limited Thickness Options: TLF-35A may have limitations in terms of available thickness options. For projects that require a broad range of thicknesses for customization, the restricted options provided by this material could be a drawback.

Material Rigidity: Depending on the application, the rigidity of TLF-35A may be considered a disadvantage. In instances where flexibility is a critical requirement, especially in applications involving bending or conformal designs, the relatively rigid nature of this material may pose challenges.

Application Specificity: While TLF-35A is well-suited for certain applications, its formulation may not be optimized for every use case. Designers should carefully evaluate their project requirements to ensure that the material’s characteristics align with the specific needs of their application.

Cost Considerations: While TLF-35A offers a good balance between performance and cost, the overall cost may still be a factor for consideration, particularly in projects with strict budget constraints. Designers may need to evaluate whether the performance benefits justify the associated costs.

Availability and Lead Times: The availability of TLF-35A and associated lead times for procurement could be a consideration in time-sensitive projects. If the material is not readily available or has longer lead times, it may impact project timelines.

Specialized Processing Requirements: TLF-35A may have specific processing requirements that need to be considered during fabrication. Designers and manufacturers should ensure that their facilities are equipped to handle any specialized processing needs associated with this material.

It’s essential to note that the perceived disadvantages of Taconic TLF-35A will vary based on the specific requirements of a given project. Careful consideration of these potential limitations in the context of the application’s demands will guide designers in determining the most suitable PCB material for their particular needs.

Key Factor When Choose Taconic TLF-35A In PCB Design

When choosing Taconic TLF-35A for PCB design, several key factors should be considered to ensure that the material aligns with the specific requirements of the project. Here are the crucial factors to evaluate:

Frequency Performance: Assess the frequency requirements of your PCB design. TLF-35A is known for its stable performance at high frequencies. Ensure that the material’s characteristics match the frequency range of your application to maintain signal integrity and minimize interference.

Dielectric Constant (DK) Considerations: The dielectric constant of TLF-35A is 3.5. Evaluate whether this DK aligns with the needs of your design. Some applications may require a specific dielectric constant for optimal performance, so verify that TLF-35A meets those requirements.

Passive Intermodulation Distortion (PIMD) Performance: TLF-35A is designed to offer improved PIMD performance. If your application demands minimal intermodulation distortion, particularly in antenna systems, this feature becomes critical. Ensure that the material meets the desired PIMD levels for your project.

Thermal Stability: Consider the operating temperature of your application. TLF-35A is stable at high temperatures, which is beneficial for applications exposed to elevated thermal conditions. Verify that the material’s thermal stability aligns with the operating environment of your PCB.

Moisture Absorption: If your application is susceptible to moisture exposure, TLF-35A’s low moisture absorption is advantageous. Evaluate whether this property is essential for the longevity and reliability of your PCB, particularly in humid or damp environments.

Peel Strength Requirements: TLF-35A is known for excellent peel strength, particularly with different copper weights. Assess whether the material’s peel strength aligns with the structural demands of your multi-layered PCB design.

Thickness Options: Consider the available thickness options of TLF-35A. Ensure that the material offers the required thickness range for your specific application. If thickness customization is critical, verify that TLF-35A provides options that meet your project’s needs.

Budgetary Constraints: Evaluate the overall cost of using TLF-35A in your PCB design. While it offers a good price/performance ratio, consider whether it fits within your project’s budget constraints. Compare costs with other materials to make an informed decision.

Availability and Lead Times: Check the availability of TLF-35A and associated lead times for procurement. Ensure that the material can be obtained within the required timeframe for your project to avoid delays.

Processing Compatibility: Verify that TLF-35A is compatible with the processing capabilities of your manufacturing facilities. Some materials may have specific processing requirements, so ensure that your manufacturing processes can accommodate TLF-35A.

By carefully evaluating these factors in the context of your specific PCB design requirements, you can determine whether Taconic TLF-35A is the optimal choice for your project.

Applications of TLF-35A PCB Materials

TLF-35A PCB materials find versatile applications across various domains, owing to their commendable characteristics. The key applications include:

Size-Effective Antenna:

TLF-35A is tailored to excel in the realm of size-effective antenna applications. Its optimized composition and dielectric properties make it a suitable choice for antenna designs where space efficiency is a critical consideration.

Power Amplifiers:

Leveraging its advanced formulation, TLF-35A proves to be well-suited for deployment in power amplifiers. The material’s high-frequency performance and robust peel strength make it a reliable choice in enhancing the efficiency of power amplification circuits.

Low-Noise Amplifiers (LNA), Repeater PA:

TLF-35A extends its utility to applications involving Low-Noise Amplifiers (LNA) and Repeater Power Amplifiers (PA). Its balanced properties contribute to the optimal functioning of these critical components in communication systems.

Passive Components:

The material’s compatibility and performance characteristics make it an excellent candidate for use in various passive components within electronic circuits. Whether inductors, resistors, or capacitors, TLF-35A ensures reliability in passive component applications.

Filters / Couplers:

TLF-35A is well-suited for the fabrication of filters and couplers. Its superior high-frequency performance and dielectric properties enable the precise construction of these components, contributing to the overall efficiency and effectiveness of electronic systems.

In essence, TLF-35A’s diverse applications span from essential components like power amplifiers and LNAs to more intricate elements such as filters and couplers, making it a versatile choice for a range of PCB designs in the fields of telecommunications, radio frequency, and microwave applications.


The selection of Taconic TLF-35A for PCB applications signifies a strategic choice for engineers and designers. Its proficiency in areas such as improved PIMD, high-frequency stability, and thermal resilience positions it as a versatile and reliable material. As we navigate the intricate landscape of PCB design, TLF-35A emerges not just as a material but as a solution that harmonizes performance with innovation. Elevating the standards of PCB excellence, Taconic TLF-35A epitomizes the pursuit of efficiency and reliability in the ever-evolving world of electronic engineering.

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