As the electronics industry continues to evolve toward higher reliability and environmental sustainability, selecting the right base material becomes increasingly important. KB-6165G, a halogen free Mid-Tg laminate developed by KB, is engineered to meet both performance and environmental standards. It is ideal for a wide range of applications including computers, consumer electronics, and simple automotive electronics, especially where lead free soldering and multilayer assembly are involved.
In this article, we’ll discuss what really characterizes the KB-6165G laminate. The relevant information is available for pcb design engineers to refer to in the selection of materials, And you can also call QFPCB to discuss. QFPCB offers the best services when it comes to the middle Tg circuit board, so please feel free to contact us.
What is The KB-6165G PCB Material?
KB-6165G is engineered to deliver excellent performance in demanding thermal and electrical environments. With a DSC Tg over 150°C, it supports mid-temperature applications and is fully compatible with lead free soldering processes. The laminate is halogen-free, No bromine and Antimony free, no toxic substances，evolution during waste burning，making it compliant with RoHS and other environmental regulations, and reducing toxic emissions during manufacturing or disposal.
From an electrical perspective, KB-6165G exhibits a stable dielectric constant (Dk 4.6 @1GHz) and low dissipation factor (Df 0.013 @1GHz), which are essential for maintaining signal integrity in high speed designs. Its low Z-axis coefficient of thermal expansion (Z-CTE) minimizes the risk of delamination and via cracking during thermal stress. Additionally, KB-6165G provides excellent anti-CAF performance, which ensures long term insulation reliability in dense circuitry. Another key benefit is its low moisture absorption, which enhances dimensional stability and protects against degradation in humid environments.
Whether for computers, consumer electronics, or automotive systems, KB-6165G offers a balanced blend of thermal stability, electrical performance, and cost effective manufacturability. For designers and manufacturers of computer, industrial, consumer, and simple automotive electronics seeking a proven, reliable, and readily processable substrate, KB-6165G remains a compelling and widely trusted solution. Its ability to enhance product reliability without disrupting manufacturing efficiency makes it a true workhorse material in the PCB industry.
The KB-6165G PCB Material Data Sheet
Features of The KB-6165G PCB Material
Mid-Tg value
Featuring a Mid-Range Glass Transition Temperature exceeding 150°C (verified by DSC for lead free compatibility), KB-6165G ensures dimensional stability during high temperature assembly and operation. This is fundamental for lead free soldering processes.
Dielectric Constant (Dk)
With a dielectric constant (DK 4.6 @1GHz), the dielectric constant of the material is a measure of its ability to store electrical energy in a capacitor like manner. KB-6165G laminates offer a stable Dk, this property measures a material’s ability to store some electrical energy in a given electric field.
Dissipation Factor (Df)
With a dissipation factor (DF 0.013 @1GHz) translates to reduced dielectric loss, ensuring minimal heat generation during signal transmission, which are essential for maintaining signal integrity and low power loss in both digital and analog circuits.
Halogen-Free Material
Meeting global environmental standards, the KB-6165G is a halogen free laminate, No bromine and Antimony free, no toxic substances, evolution during waste burning, which reduces toxic emissions during manufacturing and disposal, contributing to a safer and more sustainable production environment.
High Thermal Resistance (T260 > 120 min, T288 > 30 min, Td > 360°C)
The laminate exhibits exceptional thermal endurance, with T260 (time to delamination at 260°C) over 120 minutes, T288 over 30 minutes, and a decomposition temperature (Td) above 360°C, ensuring long term reliability during high temperature assembly and operation.
Low Moisture Absorption
With low moisture absorption, the KB-6165G maintains stable electrical and mechanical performance even in high humidity environments, reducing the risk of performance degradation and failure.
Low Z-CTE
With a low coefficient of thermal expansion (Z-CTE), the KB-6165G minimizes the risk of plated through hole (PTH) failures during thermal stress, ensuring long term reliability and durability of the PCB.
Anti-CAF Capability
The PCB material also has excellent anti-CAF performance. The laminate’s chemistry and controlled glass treatment provide excellent resistance to CAF, reducing the risk of dendritic growths that can cause shorts in high humidity or high bias conditions.
Suitable for Multi-Layer Lead-Free Process
It’s high thermal stability and compatibility with lead free assembly, KB-6165G is engineered to withstand the rigors of multi-layer PCB fabrication, where reliability and process compatibility are critical.
What are The Applications of KB-6165G PCB Material?
The balanced property set of KB-6165G makes it suitable for a wide range of demanding electronic applications:
Computer Peripherals
The KB-6165G is widely used in desktops, laptops, and servers, where it supports high speed signal transmission and reliable operation in compact, high density designs. Provides the necessary thermal stability for processors, power delivery, and dense components, while ensuring good signal integrity for data transmission.
Instruments and Measurement Equipment
For precision instruments and industrial control systems, the KB-6165G offers the thermal and electrical stability required for accurate and consistent performance. Offers the reliability and durability needed for measurement equipment, factory automation controls, and other industrial electronics operating in potentially challenging environments.
Consumer Electronics
From smartphones and tablets to home appliances and wearables, the laminate is a versatile and cost effective material that supports the production of high quality consumer electronics. Found in appliances, set top boxes, gaming consoles, and other devices requiring a cost effective yet reliable substrate capable of handling standard operating temperatures and manufacturing processes.
Automotive Electronics
Suitable for non safety critical automotive applications like infotainment systems, interior lighting controls, and basic body control modules where thermal cycling resistance and reliability are important, but the extreme demands of under hood or safety systems aren’t required.
Office Automation Equipment
Used in copiers, scanners, and smart office systems, the laminate supports high reliability operations while maintaining cost effectiveness and ease of manufacturing. Serves as a dependable substrate for printers, copiers, multifunction devices, and other office electronics, balancing performance, thermal management, and environmental standards.
Why Choose The KB-6165G PCB Material For Your PCB?
The KB-6165G Mid-Tg Halogen-Free laminate represents a significant advancement in PCB base materials. If you are seeking a high quality product that aligns with your technical specifications, KB-6165G represents an optimal choice. It is available in various thicknesses to accommodate diverse project requirements.
It has been a trusted prepreg material in the PCB industry for many years, favored by both professionals and enthusiasts. This is why we have selected it as our preferred laminate material. The rationale behind this decision is straightforward: KB-6165G offers a variety of thickness options, providing flexibility for any project type. Additionally, its smooth texture ensures durability and resistance to fraying or wear, even when used in older projects. Its suitability for complex multi-layer lead free processing, coupled with excellent manufacturability and cost effectiveness, makes KB-6165G a highly compelling solution.
Furthermore, it is easy to cut and drill, making it accessible for beginners in electronics while still meeting the demands of experienced users. This KB-6165G PCB material is highly versatile and suitable for a wide range of applications.
Ultimately, This Mid-Tg laminate offer a compelling combination of thermal performance, electrical reliability, and manufacturing efficiency, making them an ideal choice for a wide range of applications. By choosing KB-6165G laminate, manufacturers can achieve high quality, durable PCBs while adhering to modern green manufacturing standards and maintaining cost efficiency.
If you have any further questions, please feel free to leave a comment below or contact QFPCB by email ([email protected]).
