High-Temp PCB Manufacturer High TG FR4 PCB Fabrication
OurPCB specializes in high-temperature PCB manufacturing, ensuring reliability in extreme environments. As a leading high-Tg PCB manufacturer and PCB supplier, we provide high-temperature PCB fabrication using advanced materials that withstand thermal stress. Our high-temperature PCB factories deliver durable solutions for industries that rely on high-Tg PCBs, including those in the USA. We also share valuable Electronics Manufacturing Insights to help engineers and procurement teams make informed choices.
What is a High-Tg PCB?
PCB Manufacturing Process
Features of High-Tg PCB
Ensures strong plated through-hole connections.
Withstands extreme temperatures without degradation.
Provides strength and reliability in demanding applications.
Prevents layer separation over time.
Operates efficiently in extreme heat conditions — important when working with power systems where proper circuit protection is needed. Our resource on choosing the right fuse type can help you select components that complement high-Tg boards for maximum safety.
Reduces warping and maintains stability.
The Necessary Materials for High Tg PCB
| Material | CTE-z (ppm/℃) | Td (Wt, ℃) | Tg (DSC, ℃) | Td288 (min) | Td260 (min) |
|---|---|---|---|---|---|
| IT180 | 45 | 345 | 180 | 20 | 60 |
| S1141 (FR4) | 55 | 300 | 175 | / | 8 |
| Rogers 4350B | 50 | 390 | 280 | / | / |
| S1000-2M (FR4) | 45 | 345 | 180 | 20 | 60 |
Heat Dissipation Methods in High-Tg PCBs
High-Tg PCBs help protect electronics from excessive heat. There are three primary methods for dissipating heat in high-temperature PCBs:
Conduction
Transfers heat through direct contact with a heat sink, similar to electricity flowing through a system. Learn more about effective conduction techniques in conductive paint.
Radiation
Uses electromagnetic waves to direct heat away from components. For further details, check out RF Amplifier, which explains how radiation aids in heat management.
Convection
Convection dissipates heat by moving it through air or liquid, either naturally or with forced airflow from fans or pumps. This method enhances heat transfer efficiency, preventing overheating and ensuring the reliability of high-Tg PCBs.
PCB Assembly Services
We handle everything from parts sourcing to final assembly, providing a hassle-free experience that ensures top-quality boards every time.
Whether you need a few prototypes or large-volume batches, our flexible assembly services adapt to your project’s scope and timeline.
Stay environmentally responsible with our compliant assembly processes, offering RoHS and lead-free options for safe, reliable builds.
No matter the complexity, we can assemble boards of all configurations—single-layer, multi-layer, or a mix—to match your exact specifications.
From one-off prototypes to bulk orders, we accommodate projects of all sizes without compromising on quality or turnaround time.
Join our growing community of satisfied clients who rely on our dependable assembly expertise and dedicated customer support.
Millions of business and innovators use OurPCB
Technical Capabilities
Capabilities & Services
- One-stop PCBA Services (PCB Manufacturing + Components Sourcing + Assembly)
- SMT Assembly + THT Assembly, Single/double-sided Assembly Mixed PCB Assembly
- BGA Rework
- 60,000 Chips/Hour
- Down to 01005/0210 Size
- Accuracy<±40μm
- Min. QFN Pin Width/Space: 0.15mm/0.25mm
- Min. BGA Diameter/Space: 0.2mm/0.35mm
- Rigid, Flex, HDI, & High-speed Power Boards
- Up to 64 Layers
- 60GHz High Frequencies
- Min. Trace Width/Spacing: 1.8mil/1.8mil
- AOI, X-ray, ICT & FCT Testing
- Controlled Impedance
- ISO 9001, ISO 13485, ISO 14001, IATF 16949, IPC-A-610, UL Certified
- Automotive, Medical, & Military-grade PCBA Manufacturing
Mon-Fri: 24 hours,
Sat: 9am-6pm, GMT+8
Reach us at
sales@ourpcb.net
24 hours online
+86-199-30589219
Mon-Fri: 24 hours,
Sat: 9am-6pm, GMT+8
Hgh Tg PCB FAQs
Why should I choose a High TG PCB?
High TG (Glass Transition Temperature) PCBs offer several benefits, especially for applications that require durability under high temperatures:
- Supports Advanced Designs: Allows for thin substrates, small apertures, and fine traces, making it ideal for compact circuits.
- Improved Dimensional Stability: Maintains shape and structure even with temperature fluctuations.
- High Mechanical Strength: Ensures strong layer-to-layer adhesion, reducing the risk of delamination.
- Superior Heat Resistance: Can withstand high temperatures while maintaining performance.
- Enhanced Durability: Offers increased stability against humidity, improved thermal resistance, and strong chemical resistance.
When should I use a High TG PCB?
High TG PCBs are best suited for high-power applications, automotive electronics, aerospace, and environments with extreme temperature variations.
How does High TG PCB improve reliability?
Its resistance to heat, humidity, and chemicals prevents degradation, ensuring long-term performance and reliability.
Can high-Tg PCBs be used in small or timing-based circuits?
Absolutely. While they’re often associated with industrial or high-power applications, high-Tg PCBs can also support compact electronics that require stable performance under heat. For instance, our 10 Minute Timer Circuit Design demonstrates how thermal stability ensures precise operation even in enclosed or warm environments.
Order options
Quick-turn high-Tg prototypes with full DFM and material certification.
Bridge production with Shengyi S1000-2 and ISOLA 370HR material options.
Cost-optimised high-Tg board manufacturing with full electrical testing.
★ What customers say
Impeccable high-Tg PCBs — no defects across the whole batch.
Turnaround on our high-Tg PCBs order beat the quoted lead time by several days.
Careful packaging on the high-Tg PCBs and complete documentation.
Pricing on the high-Tg PCBs run was noticeably better than our previous supplier.
Communication during the high-Tg PCBs build was responsive even across time zones.
Third reorder of high-Tg PCBs from OurPCB — consistent every time.
