High-TG PCB
Geyuan Electronics is a high-Tg PCB manufacturer with two state-of-the-art PCB manufacturing plants, possessing complete capabilities in PCB manufacturing, thermal design review, and high-reliability PCB assembly. We offer expert guidance on material selection and thermal design, providing precision-manufactured high-Tg PCBs for demanding applications. From multilayer boards to RF and thick copper designs, we offer a full range of high-Tg PCBs. If your project involves high temperatures, high power, or harsh environments, we are a reliable partner for precision-designed high-Tg PCBs. Contact us today for a quote.Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
High Tg PCB Manufacturer
If you are looking for the best high Tg PCB manufacturer, Geyuan Electronics is the ideal choice. You can leverage our technology to realize your high Tg PCB design. No matter how complex or diverse the specific PCB application, Geyuan Electronics possesses the technical expertise and high-quality high Tg PCB materials to develop custom printed circuit boards (PCBs) that meet your specific needs. Geyuan Electronics custom-produces high Tg PCBs for high thermal stress applications such as lead-free assembly, repeated thermal cycling, or long-term operation in harsh environments. We support prototyping, new product introduction, small-batch production, and mass production needs for single-sided, double-sided, and multi-layer high Tg PCBs. Contact us today to discuss your project and obtain a quote for your high Tg PCB manufacturing project. Let us help you create circuit boards with superior thermal stability and electrical reliability.
Technical Capabilities
From rapid prototyping to high-volume mass production, Geyuan Electronics supports a wide range of custom specifications to match your exact project needs:
Layer Count & Stack-Up Capability
We can offer High-Tg PCBs with complex multilayer for high-density and high-performance applications:
- Up to 64 layers
- Sequential lamination for HDI structures
- Hybrid stack-ups (FR4 + high-frequency materials)
- Symmetrical and asymmetrical stack designs
- Controlled impedance stack-ups (50Ω / 100Ω differential)
Material Processing
We process a wide range of high-temperature laminates with controlled Tg, Td, and CTE performance:
- High Tg FR4 (Tg ≥170°C)
- IT180, S1000-2M
- Rogers series (e.g., 4350B)
- PTFE (Teflon-based materials)
- Polyimide (Tg up to 250°C+)
- Ceramic-filled laminates
- Metal core substrates (Aluminum / Copper)
Trace, Spacing & Imaging Precision
Our advanced imaging and etching processes enable fine circuit definition for high-density designs:
- Minimum trace/space: 1.8 mil / 1.8 mil
- High-resolution LDI (Laser Direct Imaging)
- Tight registration control for multilayer alignment
- Fine-pitch BGA and high-speed signal routing support
High-Tg PCB Types We Manufacture
Geyuan Electronics’ standard fast delivery and advanced PCB manufacturing services offer a variety of PCB substrates to choose from. For standard PCB services, Geyuan Electronics offers low-Tg (Tg130), medium-Tg (Tg150), and high-Tg (Tg170) laminates from KB and Shengyi, suitable for prototyping, semi-complex PCBs, and consumer electronics. For multi-layer PCBs and HDI PCBs, we recommend choosing laminates with higher Tg values. Below are some of the different types of high-TG PCBs we can manufacture to meet your specific thermal, layering, and space layout requirements.
Kingbrother (KB) High-Tg PCB
Shengyi High-TG PCB
12 Layer High-TG PCB
High Tg Multilayer PCB
High-Tg HDI PCB
High-Tg Metal Core PCB
High-Tg RF & High-Frequency PCB
High-Tg Heavy Copper PCB
High-Tg Double-Sided PCB
High Tg PCB - High-Temperature Circuit Boards for PCB Applications Requiring High Temperatures
If you are working on a high-power-density design where the heat generated may exceed the capacity of heat sinks or other cooling measures, then a high Tg PCB is almost always the only solution. Attempting to reduce the heat generation of a PCB can impact the weight, cost, power consumption, or size of the application; therefore, using a high-temperature resistant PCB directly is often more cost-effective and practical.
High temperatures can be catastrophic for unprotected PCBs, damaging dielectric layers and conductors, creating mechanical stress due to differences in thermal expansion coefficients, and ultimately leading to performance instability or even complete failure. If your application may expose the PCB to extreme temperatures, or if the PCB needs to comply with RoHS standards, then considering a high Tg PCB will be highly beneficial.
When Are High-temperature Resistant Circuit Boards Required?
If the ambient temperature of your PCB application will not exceed its glass transition temperature (Tg) by more than 25 degrees Celsius, then a high-temperature resistant circuit board is required. If your product operates at 130 degrees Celsius or higher, a high-Tg PCB should also be used for safety reasons. The primary reason for the demand for high-Tg PCBs is the implementation of the RoHS directive. Because lead-free solders require higher temperatures to melt, the RoHS directive has prompted most of the printed circuit board industry to switch to high-Tg materials. Geyuan Electronics uses advanced tools and methods to ensure that every PCB is manufactured with precision, consistency, and high accuracy. Furthermore, we offer comprehensive testing and inspection services to guarantee that every high-Tg PCB meets customer needs and specifications. Therefore, customers can rest assured that they receive a reliable, high-quality product that meets their expectations.
Looking For A Reliable High-Tg PCB Manufacturer?
Geyuan Electronics provides high-temperature manufacturing and high-Tg PCB solutions for industries with high demands for high-performance circuit boards. We can provide high-Tg PCBs that meet the needs of your PCB projects. With advanced technology, extensive engineering experience, and expertise, we can help you design and manufacture high-Tg PCBs from the very beginning. If your design requires specific high-Tg materials, special stack-up structures, or more stringent design rules than listed here, our engineering team can review your documents and confirm manufacturability before production. Please send us your Gerber files, stack-up structures, and critical reliability requirements so we can conduct a detailed DFM check and provide a high-Tg PCB quote. If you are unsure whether your application requires a high-Tg PCB or other requirements, please contact us. Geyuan Electronics’ professional engineers will assist you in analyzing your project and providing appropriate advice.
Rigid and Flexible High Tg PCB
In recent years, an increasing number of PCB customers have requested the use of materials with high Tg values to manufacture their projects because high Tg materials offer excellent toughness, high mechanical strength, and resistance to harsh environments. Therefore, Geyuan Electronics can provide two main types of circuit boards: rigid high Tg circuit boards and flexible high Tg circuit boards.
High Tg Rigid PCBs
High Tg Flexible PCBs
Check Geyuan Electronics High-Tg PCB Manufacturing Capabilities In The Following Table
| Standard PCB Production Capability | |
| Feature | Capability |
| Quality Grade | Standard IPC 2 |
| Number of Layers | 1 – 32layers |
| Order Quantity | 1pcs – 10,000,000 pcs |
| Build Time | 2days – 5weeks (Expedited Service) |
| Material | FR-4 Standard Tg 150°C, FR4-High Tg 170°C, FR4-High-Tg 180°C, FR4-Halogen-free, FR4-Halogen-free & High-Tg |
| Board Size | Min 6*6mm | Max 600*700mm |
| Board size tolerance | ±0.1mm – ±0.3mm |
| Board Thickness | 0.4mm – 3.2mm |
| Board Thickness Tolerance | ±0.1mm – ±10% |
| Copper Weight | 0.5oz – 6.0oz |
| Inner Layer Copper Weight | 0.5oz – 2.0oz |
| Copper Thickness Tolerance | +0μm +20μm |
| Min Tracing/Spacing | 3mil/3mil |
| Solder Mask Sides | As per the file |
| Solder Mask Color | Green, White, Blue, Black, Red, Yellow |
| Silkscreen Sides | As per the file |
| Silkscreen Color | White, Blue, Black, Red, Yellow |
| Surface Finish | HASL – Hot Air Solder Leveling |
| Lead Free HASL – RoHS | |
| ENIG – Electroless Nickle/Immersion Gold – RoHS | |
| ENEPIG – Electroless Nickel Electroless Palladium Immersion Gold – RoHS | |
| Immersion Silver – RoHS | |
| Immersion Tin – RoHS | |
| OSP -Organic Solderability Preservatives – RoHS | |
| Min Annular Ring | 3mil |
| Min Drilling Hole Diameter | 6mil, 4mil-laser drill |
| Min Width of Cutout (NPTH) | 0.8mm |
| NPTH Hole Size Tolerance | ±.002″ (±0.05mm) |
| Min Width of Slot Hole (PTH) | 0.6mm |
| PTH Hole Size Tolerance | ±.003″ (±0.08mm) – ±4mil |
| Surface/Hole Plating Thickness | 20μm – 30μm |
| SM Tolerance (LPI) | .003″ (0.075mm) |
| Aspect Ratio | 1.10 (hole size: board thickness) |
| Test | 10V – 250V, flying probe or testing fixture |
| Impedance tolerance | ±5% – ±10% |
| SMD Pitch | 0.2mm(8mil) |
| BGA Pitch | 0.2mm(8mil) |
| Chamfer of Gold Fingers | 20, 30, 45, 60 |
| Other Techniques | Gold fingers |
| Blind and Buried Holes | |
| peelable solder mask | |
| Edge plating | |
| Carbon Mask | |
| Kapton tape | |
| Countersink/counterbore hole | |
| Half-cut/Castellated hole | |
| Press fit hole | |
| Via tented/covered with resin | |
| Via plugged/filled with resin | |
| Via in pad | |
| Electrical Test | |
High Tg Printed Circuit Board Supplier
Geyuan Electronics is a leading manufacturer and supplier of high Tg PCBs, widely used in the electronics industry. A high Tg PCB refers to a printed circuit board that maintains its mechanical and electrical properties without loss at high temperatures. Our PCBs are ideal for applications requiring high thermal stability. Furthermore, we use advanced processes and materials to manufacture our high Tg PCBs, ensuring superior quality and reliability. Our PCBs can withstand harsh environmental conditions such as high humidity, high pressure, and extreme temperatures. Our circuit boards are suitable for applications with continuous high temperatures, temperature fluctuations, and demanding operating conditions. From prototyping to mass production, our team supports projects requiring enhanced thermal performance.
Turn-times As Fast As 1 day
Geyuan Electronics can manufacture your High-Tg PCB and have it expedited to you within 24 hours.Full turnkey boards, with assembly and components in as fast as 5 days.
High Tg PCB Solution Provider
Geyuan Electronics is a leading high Tg PCB and PCBA manufacturer and solution provider headquartered in China. We can handle small to large volume orders for all types of PCBs and PCBAs. We have a modern factory equipped with advanced technology, capable of producing any PCB and PCBA in the shortest possible time. Our expert team can handle complex designs and assist customers in solving design and manufacturing problems. We offer high-quality high Tg PCBs with no minimum order quantity. We can also quickly prototype and provide turnkey high Tg PCBA solutions. We have a strict quality management system that complies with international standards and is RoHS, UL, and ISO certified. You can confidently order any type of PCB; we will provide you with high-performance PCBs in the fastest possible time. For more information, a quote, or any questions, please feel free to contact us.
High Tg PCB Types by Material
This section introduces the main material choices available for high Tg PCB manufacturing, as well as the specific thermal and dielectric properties that determine its performance.
IT180A (ITEQ)
370HR (Isola)
IS410 (Isola)
FR408HR (Isola)
FR408 (Isola)
Megtron 6 (Panasonic)
Rogers 4350B/4000 Series
PTFE Laminates
High Tg Versions from KB and Shengyi
Hybrid Laminates
Polyimide
S1000-2M (High Reliability FR4)
Geyuan Electronics' High-TG PCB Manufacturing Facility and Testing Equipment
Geyuan Electronics occupies 12,400 square meters, including 2,600 square meters of cleanroom, 5 SMT production lines, and 3 DIP production lines. We are equipped with precision drilling machines, electroplating systems, and etching equipment for accurate circuit patterning, as well as reflow soldering and wave soldering systems. Our advanced X-ray and AOI equipment ensures high-quality PCB production. Entrust your critical products to Geyuan Electronics; we are trustworthy. With over 15 years of experience, we are dedicated to providing superior high-TG PCB products for the most demanding applications, ensuring reliability, precision, and high performance throughout the entire process from prototyping to deployment.
From PCB Prototyping To Production
Rapid Prototyping
Geyuan Electronics offers quick-turn PCB sampling with its automated in-house equipment. We are a great option for time-sensitive projects.
- Interactive quotation of materials and specifications
- Real-time manufacturing and shipment tracking
We will create prototypes based on your drawings or samples, send them to you for review and make any modifications necessary until they are completely satisfactory.
Production Without Risk
Our production team is committed to ensuring all PCB boards you order are delivered on time and fulfill your quality expectations.
- First Article Inspection before mass production
- High-precision machining for every specific PCB
- Material test reports are available on request
Choose Geyuan Electronics for your custom PCB manufacturing needs and experience a hassle-free process from start to finish.
High Tg PCB Manufacturing Equipment
Our industrial parks in Shenzhen and Dongguan are equipped with advanced equipment for manufacturing and assembling high Tg PCBs. Our high-temperature laminators precisely bond the layers of the PCB. CNC drilling machines equipped with specialized drill bits can drill precise holes in high Tg materials. Laser direct imaging systems accurately transfer complex design patterns. Advanced etching equipment and electroplating lines ensure circuit precision and reliable copper deposition. Solder mask coating equipment and high-precision ovens provide protective coatings and achieve proper curing. Automated optical inspection systems and electrical testing equipment verify that each PCB meets stringent quality standards.
Browse Different PCB Solutions for Every Need
Looking for the right PCB solution? Explore various types of PCBs to find the perfect match for your project.
Aluminum PCB
Rigid PCB
Copper‑Core PCB
High Frequency PCB
High Speed PCB
HDI PCB
Rogers PCB
Heavy Copper PCB
Flexible PCB
Rigid-Flex PCB
Ceramic PCB
We Offer Low-cost High-Tg PCB Manufacturing And Assembly Services
Geyuan Electronics is committed to providing the highest quality high-Tg PCB manufacturing and assembly services, including prototyping and mass production, at highly competitive prices. This commitment makes us a trusted high-Tg PCB manufacturing service provider in China. We have an experienced team of experts and state-of-the-art infrastructure, guaranteeing high-quality products and fast delivery cycles. Would you like to learn more about our high-Tg PCB manufacturing and assembly services? Do you need fast delivery of prototypes or high-volume high-Tg PCB manufacturing and assembly services? Request a free quote online now. Our high-Tg PCB manufacturing and assembly services operate 24/7 to meet stringent delivery deadlines. Our customer support team also responds quickly to customer needs.
Our Certifications
Furthermore, all our products adhere to the IPC & ROHS Standards. It is our continuous endeavor to produce premium quality PCB products.We are duly certified with the following accreditations:
- IATF 16949:2016
- ISO 9001:2015
- ISO14001:2015
- ISO13485:2016
- UL
Quality Assurance and Testing
We place particular emphasis on product quality and have established rigorous testing procedures. Since high-Tg PCBs are primarily used in high-frequency applications, they contain numerous miniature components. These are widely used in mission-critical applications such as aerospace, defense, and medical, as well as in high-temperature applications. We employ automated testing methods, such as automated optical inspection, functional testing (e.g., flying probe testing), X-ray inspection, and test fixtures. At Geyuan Electronics, quality is our top priority. Every high-Tg PCB undergoes rigorous testing to ensure its reliability, especially under high-temperature conditions:
- Thermal Stress Testing: Ensures the PCB maintains integrity at elevated temperatures matching the specified Tg of the PCB.
- Electrical Testing: We verify continuity, insulation resistance, and signal integrity to guarantee optimal performance in your application.
- X-Ray Inspection: Detects hidden defects, such as voids or delamination in high-temperature fiberglass cloth layers.
- Mechanical Testing: Checks for durability and dimensional stability, ensuring the board withstands thermal expansion and operational stresses.
- Standards Compliance: All high Tg FR4 PCBs are tested according to ISO 9001:2015, AS9100D, IPC-A-610, and IPC J-STD-001 standards.
High Tg PCB Applications
High-Tg PCBs are widely used in industries where elevated temperatures, high power density, and long-term reliability are critical.
Automotive Electronics
Industrial Equipment
Medical Electronics
Telecommunication
Aerospace & Defense
Energy &Power Systems
FAQ
A high glass transition temperature (TG) PCB is a printed circuit board that uses materials with a glass transition temperature (TG) higher than that used in standard PCBs. Therefore, high TG PCBs can withstand higher temperatures without issues such as warping or delamination.
To provide an accurate quote for a high Tg PCB, we typically need your Gerber files or design files, number of layers, board dimensions, finished thickness, copper foil weight, minimum trace spacing/pitch, surface finish, and expected order quantity. Providing the maximum operating temperature, ideal Tg value (if known), and any specific reliability or industry standards the board must meet would also be very helpful.
Yes. If you are unsure which Tg or laminate series is most suitable, you can send us your stack-up structure, operating conditions, and reliability requirements. Our engineers will review your design and recommend suitable high Tg materials, stack-up structures, and any necessary design adjustments to improve manufacturability and long-term reliability.
High Tg materials are the preferred choice for lead-free reflow soldering processes because of their higher peak soldering temperatures and the fact that the board may undergo multiple thermal cycles during assembly. In many lead-free designs, using high Tg FR-4 material significantly reduces the risk of warpage, delamination, and through-hole damage compared to standard Tg laminates.
Yes, a variety of surface treatments are available for high-temperature applications. In these environments, surface treatments such as ENIG (chemical nickel immersion gold), ENEPIG, or immersion silver are often preferred over basic HASL processes.
Some applications require higher heat resistance, mechanical strength, and signal integrity than standard materials. High Tg materials are widely used because they better withstand thermal cycling, mechanical stress, and high-temperature environments. High Tg values help improve signal integrity in high-frequency applications.
When your maximum continuous operating temperature is close to or higher than the standard FR-4 Tg value, and the safety margin is less than 20-30°C, you should consider using a high Tg PCB. High Tg PCBs are also recommended for high-power, high-density designs, multilayer boards and HDI boards, harsh automotive or industrial environments, and products that must pass rigorous thermal cycling or reliability testing.
Geyuan Electronics will conduct a series of quality control measures for all the products. High Tg PCB is no exception. The following states the main ways of testing and inspection in Geyuan Electronics.
- DFM(Design for Manufacturing) Check
- IQC (Incoming Quality inspection) for all materials
- Micro-section inspection
- Electrical Test for Open/short
- Automated Optical Inspection
- Visual and mechanical inspection after every process
- First Article Inspection
- Solderability Test
- Thermal Test
- Tape Test (adhesion test)
- Peel Test (conductor peel strength)
- Ionic Contamination Test
- Inspect according to IPC-A-600 Class 2 and IPC Class 3
- TDR Impedance test
- Hi Potential Testing (Hi Pot PCB Testing).
- Any other tests customers required
Looking For a High Tg PCB Quote?
We use a well-organized process and the right software to provide you with a quote within 4 hours. After you upload your information, including any fabrication drawings or schematics, our system and engineering staff will analyze the data and provide us with a comprehensive document so we can take a closer look at your project.