Large Durable High Tg PCB
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Large Durable High Tg PCB

Introducing our High Tg PCB - the perfect solution for high-temperature applications. 
With an impressive glass transition temperature, our PCB offers superior heat resistance and reliability, ensuring optimal performance even in challenging operating environments. Its advanced materials and manufacturing processes guarantee excellent electrical insulation and signal integrity. Whether it's automotive, aerospace, or industrial electronics, our High Tg PCB delivers exceptional quality and durability. Trust our product to provide stability, consistency, and enhanced functionality for your advanced applications. 
Experience the difference of our High Tg PCB today!


High Tg PCBs, or High Glass Transition Temperature PCBs, are specially engineered printed circuit boards designed to withstand extreme temperatures. The 'Tg' refers to the point at which the PCB material will begin to deform under heat. Our High Tg PCBs offer superior heat resistance, maintaining their structural integrity and performance even at elevated temperatures. These robust boards are an excellent choice for applications exposed to harsh environments or those demanding high-reliability performance over extended periods.

Rigid Flex PCB

The following are the advantages and features of our High Tg PCB:

Superior Heat Resistance: High Tg PCBs are specifically designed to endure high temperatures without compromising their performance or structural integrity. This is particularly valuable in applications where standard PCBs may fail due to excessive heat.

Improved Stability: As the glass transition temperature rises, High Tg PCBs offer improved mechanical and chemical stability. This helps maintain dimensional stability across a wide range of temperatures, ensuring reliable performance.

High Signal Integrity: High Tg PCBs are designed to maintain signal integrity even in harsh environments. They resist signal degradation due to heat, ensuring consistent, reliable transmission.

Extended Lifespan: Due to their heat resistance and stability, High Tg PCBs tend to have a longer operational life compared to standard PCBs. This makes them a cost-effective choice for long-term applications.

Wide Range of Applications: High Tg PCBs are utilized in diverse industries including aerospace, automotive, industrial controls, and telecommunications. They are especially suited to applications that operate in extreme temperatures or require long-term reliability.

Environmentally Friendly: Our High Tg PCBs are manufactured adhering to RoHS (Restriction of Hazardous Substances) regulations, ensuring minimal environmental impact.

Providing the Right High-Temperature PCB for Your Applications

PCBWDX offers a wide selection of high-temperature PCB products manufacturing services either with FR-4 or other high-quality heat- and temperature-resistant Tg materials. We are able to perform high-temperature PCB fabrication for automotive, industry and high-temperature electronics applications. We can manufacture High-Tg PCBs with a Tg value of up to 180°C. Following table lists some of our commonly used materials for High-Tg PCBs production.

(DSC, ℃)(Wt, ℃)(ppm/℃)(min)(min)
S1141 (FR4)175300558/
S1000-2M (FR4)180345456020
Rogers 4350B28039050//

Regardless of the scope or complexity of your PCB application, we have the technical expertise to develop customized PCB boards that meets your specific demands. Check our capabilities in here:

Quality GradeStandard IPC 2
Number of Layers2 - 40layers
Order Quantity1pc - 10000+pcs
Build Time2days - 5weeks
MaterialS1141 (FR4), S1000-2M (FR4), IT180, Rogers 4350B
Board SizeMin 6mm x 6mm | Max 500mm x 900mm
Board Thickness0.4mm - 6.5mm
Copper Weight (Finished)0.5oz - 2.0oz
Min Tracing/Spacing3mil/3mil
Solder Mask SidesAs per the file
Solder Mask ColorGreen, White, Blue, Black, Red, Yellow
Silkscreen SidesAs per the file
Silkscreen ColorWhite, Black, Yellow
Surface FinishHASL - Hot Air Solder Leveling
Lead Free HASL - RoHS
ENIG - Electroless Nickle/Immersion Gold - RoHS
Immersion Silver - RoHS
Immersion Tin - RoHS
OSP - Organic Solderability Preservatives - RoHS
Min Annular Ring4mil
Min Drilling Hole Diameter6mil
Other TechniquesGold fingers
Blind/Buried Vias
Countersink Holes

The following is the specific application of High Tg PCBs in various fields:

Automotive Industry: High Tg PCBs are extensively used in the automotive sector due to their ability to resist high temperatures and vibration. They are used in engine controls, power converters, and other components of vehicles, especially electric and hybrid cars.

Aerospace and Aviation: High Tg PCBs are ideal for aerospace applications due to their thermal stability and high performance. They are used in satellites, flight control systems, communication devices, and other high-reliability applications.

Industrial Equipment: High Tg PCBs are frequently used in various industrial equipment due to their durability and heat resistance. They can be found in power converters, automation machinery, and heavy-duty electronic equipment.

Telecommunications: The telecom industry utilizes High Tg PCBs in high-speed network devices, base stations, and other equipment. Their high signal integrity and durability make them suitable for these applications.

Medical Devices: In the medical industry, High Tg PCBs are used in high-performance devices that require reliability and heat resistance, such as MRI machines and advanced diagnostic tools.

LED Lighting: High Tg PCBs are preferred for LED lighting applications because they can effectively deal with the heat generated by LEDs, thereby increasing the lifespan and performance of the lights.

Q: What does Tg mean in High Tg PCB?

A: Tg stands for Glass Transition Temperature. It's the temperature point at which the PCB material transitions from a glassy, rigid state to a softer, more pliable state. High Tg PCBs have a higher Tg, meaning they can withstand higher temperatures without deforming.

Q: Are High Tg PCBs more expensive than regular PCBs?

A: Yes, due to their enhanced characteristics and the more complex manufacturing process, High Tg PCBs are usually more expensive than regular PCBs. However, they can offer better performance and longer lifespan in high-temperature applications.

Q: What are the common Tg values for High Tg PCBs?

A: Common Tg values for High Tg PCBs range from 170°C to 260°C. The specific Tg value required depends on the application and operating conditions.

Q: Do I always need to use High Tg PCBs for my applications?

A: Not necessarily. The need for High Tg PCBs depends on your specific application and the environmental conditions it will be subjected to. High Tg PCBs are essential for high-temperature applications or those requiring exceptional thermal stability and reliability.

Q: Are High Tg PCBs RoHS compliant?

A: Yes, our High Tg PCBs are manufactured in compliance with RoHS (Restriction of Hazardous Substances) regulations, ensuring they are environmentally friendly.


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