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Jarnistech > ITEQ PCB > ITEQ IT-150G
ITEQ IT-150G Halogen Free PCB

In the ever-evolving landscape of electronic manufacturing, the quest for superior materials continues, driving innovation and sustainability. Among the frontrunners in this pursuit is ITEQ IT-150G, a Halogen-Free PCB Laminate that stands as a beacon of progress. Engineered with precision and foresight, IT-150G encapsulates the essence of cutting-edge technology, offering a multifunctional epoxy solution with a glass transition temperature exceeding 150℃. This introduction unveils the intrinsic qualities that make ITEQ IT-150G a preferred choice for the discerning PCB engineer.

What is ITEQ IT-150G PCB Laminate?

ITEQ IT-150G PCB Laminate is a halogen-free multifunctional epoxy renowned for its medium glass transition temperature (Tg), surpassing 150℃ as determined by Differential Scanning Calorimetry (DSC). This sophisticated epoxy formulation boasts exceptional thermal reliability and robust resistance to Conductive Anodic Filamentation (CAF). Its noteworthy performance is particularly evident in handheld and consumer applications, where it demonstrates superior efficacy through five press cycles within Any Layer High-Density Interconnect (HDI) processes.

Furthermore, IT-150G showcases the capability to undergo 260℃ Lead-Free assembly, thereby augmenting its suitability for a diverse range of electronic applications. This laminate is well-regarded for its advanced properties, making it a preferred choice in the realm of PCB engineering, ensuring reliability and resilience in electronic systems.

Features for ITEQ IT-150G PCB Substrate Material

The ITEQ IT-150G PCB Substrate Material offers a range of features tailored to meet the demands of contemporary electronic applications:

Halogen-Free Composition:

IT-150G is formulated with a halogen-free composition, aligning with modern environmental and safety standards in electronic manufacturing.

Middle Tg and High Thermal Reliability:

Characterized by a medium glass transition temperature (Tg) exceeding 150℃, as determined by Differential Scanning Calorimetry (DSC), this substrate material ensures a balance between mechanical flexibility and high thermal reliability.

Lead-Free Assembly Compatibility:

The material is designed to be compatible with Lead-Free Assembly processes, meeting the industry’s evolving requirements and regulations.

Friendly Processing:

IT-150G is engineered for user-friendly processing, facilitating ease of use during PCB manufacturing. Its formulation supports efficient and reliable processing methods.

CAF Resistance:

The substrate material exhibits a notable resistance to Conductive Anodic Filamentation (CAF), ensuring enhanced reliability and longevity in electronic applications.

Low-Cost HDI Process Applications:

Specifically tailored for low-cost High-Density Interconnect (HDI) processes, IT-150G provides a cost-effective solution without compromising on performance, making it an ideal choice for a variety of applications in the electronics industry.

Properties of ITEQ IT-150G

1.Material Composition:

ITEQ IT-150G is a high-performance halogen-free PCB laminate composed of woven glass fabric reinforcement impregnated with epoxy resin.

2. Electrical Properties:

Dielectric Constant: ITEQ IT-150G has a low and stable dielectric constant, which ensures consistent signal propagation and minimizes signal loss.

Loss Tangent: The laminate has a low loss tangent, indicating low signal attenuation and excellent signal integrity.

Electrical Insulation Resistance: ITEQ IT-150G offers high electrical insulation resistance, preventing leakage currents and ensuring reliable performance.

Surface Resistance: The surface of IT-150G has a high resistance to electrical current flow, maintaining proper isolation between conductive traces.

3. Mechanical Properties:

Tensile Strength: ITEQ IT-150G exhibits high tensile strength, providing mechanical stability and resistance to stress during PCB fabrication and operation.

Flexural Strength: The laminate has good flexural strength, allowing it to withstand bending and flexing without compromising its structural integrity.

Thermal Expansion Coefficient: ITEQ IT-150G has a low coefficient of thermal expansion, reducing the risk of dimensional changes and warping caused by temperature variations.

4. Thermal Properties:

Thermal Conductivity: ITEQ IT-150G has a high thermal conductivity, facilitating efficient heat dissipation and aiding in thermal management within the PCB.

Glass Transition Temperature: The laminate has a high glass transition temperature, ensuring stability and reliability even at elevated temperatures.

Coefficient of Thermal Expansion: ITEQ IT-150G has a low coefficient of thermal expansion, minimizing the risk of mechanical stress and failure due to temperature fluctuations.

5. Environmental Properties:

Halogen Content: ITEQ IT-150G is halogen-free, containing no chlorine or bromine, making it environmentally friendly and compliant with RoHS regulations.

It’s important to note that the specific values for these properties may vary depending on the grade and specifications of ITEQ IT-150G provided by the manufacturer.

Design Considerations and Guidelines for using ITEQ IT-150G

1. PCB Layout and Stack-up Considerations:

Signal Integrity: Pay attention to signal integrity by minimizing signal trace lengths, reducing crosstalk, and maintaining controlled impedance for high-speed signals.

Ground and Power Planes: Properly design and allocate ground and power planes to minimize noise and provide stable power distribution.

Layer Stack-up: Consider the layer stack-up to optimize signal routing, impedance control, and thermal management. Consult the manufacturer’s guidelines for recommended stack-up configurations.

2. Signal Integrity Considerations:

Transmission Line Design: Follow best practices for transmission line design, including proper trace width and spacing, controlled impedance, and impedance matching techniques.

Signal Integrity Simulation: Utilize signal integrity simulation tools to analyze and validate the electrical performance of high-speed signals, ensuring signal integrity and minimizing signal degradation.

3. Thermal Management Considerations:

Heat Dissipation: Consider the thermal conductivity of ITEQ IT-150G and design the PCB layout to facilitate efficient heat dissipation. Use thermal vias, thermal pads, and heat sinks as necessary.

Component Placement: Optimize component placement to minimize heat concentration and ensure proper airflow within the PCB.

Thermal Relief: Use thermal relief pads for components connected to power and ground planes to improve thermal dissipation and solderability.

4. Manufacturing and Assembly Considerations:

Design for Manufacturability (DFM): Follow DFM guidelines to ensure the manufacturability and reliability of the PCB design. Consider factors such as minimum trace widths, minimum via sizes, and proper clearances between components.

Soldering and Assembly: Ensure compatibility with the chosen soldering and assembly processes. Consider the thermal characteristics of ITEQ IT-150G during reflow soldering and select appropriate soldering profiles.

Handling and Storage: Follow proper handling and storage practices to prevent damage or contamination of ITEQ IT-150G laminate before and during the manufacturing process.

Applications of ITEQ IT-150G PCB Material

The ITEQ IT-150G PCB Material finds versatile applications across a spectrum of electronic devices and systems, making it a preferred choice for the following:

Smartphones and Cell Phones:

IT-150G is well-suited for the manufacturing of PCBs in smartphones and cell phones, where its halogen-free composition, high thermal reliability, and compatibility with HDI processes contribute to the overall performance and durability of these devices.

HDI and Multilayer PCBs:

This PCB material is specifically designed for use in High-Density Interconnect (HDI) and multilayer PCB applications, providing the necessary characteristics for intricate circuit designs and miniaturization in electronic devices.

PCs and Notebooks:

IT-150G is employed in the production of PCBs for personal computers and notebooks, ensuring reliable performance and thermal stability in these computing devices.

Memory Modules:

The material’s features make it suitable for manufacturing memory modules, contributing to the efficient and reliable operation of electronic storage devices.

LCD Panels:

ITEQ IT-150G is applied in the fabrication of PCBs for LCD panels, where its compatibility with lead-free assembly and resistance to Conductive Anodic Filamentation (CAF) are critical for the performance of display technologies.

Game Players:

The substrate material is utilized in the assembly of PCBs for gaming devices, providing the necessary attributes for enhanced thermal reliability and robust circuit performance in gaming applications.

Servers and Networking Equipment:

IT-150G is employed in the construction of PCBs for servers and networking equipment, where its high thermal reliability and halogen-free composition contribute to the efficient and uninterrupted operation of these critical systems.


The material is well-suited for telecommunications applications, where its compatibility with diverse assembly processes and resistance to CAF enhance the reliability and longevity of electronic components used in communication systems.

Industrial Approval of IT-150G PCB Laminate

ITEQ IT-150G PCB Laminate has received notable industrial approvals, attesting to its high standards of safety, quality, and environmental compliance:

UL 94 V-0 Certification: The material has achieved UL 94 V-0 certification, indicating that it meets the stringent flammability and fire resistance standards set by Underwriters Laboratories (UL). This certification assures users of the material’s capability to withstand and resist combustion, contributing to enhanced safety in electronic applications.

IPC-4101C Spec 24, 128: IT-150G conforms to the IPC-4101C specifications, specifically meeting the requirements outlined in Spec 24 and Spec 128. These specifications are established by the Institute for Printed Circuits (IPC) and are industry benchmarks for materials used in the fabrication of printed circuit boards. Compliance with these specifications ensures that the material meets the necessary performance and reliability criteria.

RoHS Compliant: ITEQ IT-150G PCB Laminate is RoHS (Restriction of Hazardous Substances) compliant. This compliance indicates that the material adheres to environmental standards by restricting the use of hazardous substances such as lead, mercury, and cadmium. RoHS compliance is a crucial aspect in the electronics industry, ensuring that products are environmentally friendly and safe for use.

These industrial approvals collectively affirm the reliability, safety, and environmental responsibility of ITEQ IT-150G PCB Laminate, making it a trusted choice for various electronic applications.


ITEQ IT-150G stands out as a superior halogen-free PCB laminate, offering excellent performance and reliability for high-performance electronic designs. Its exceptional electrical properties, mechanical strength, thermal stability, and compliance with environmental regulations make it an ideal choice for various applications. Whether you’re designing power amplifiers, low-noise amplifiers, passive components, or filters/couplers, ITEQ IT-150G provides the foundation for achieving optimal performance and sustainability in your PCB designs.

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