FR4 PCB
Precision-engineered FR4 PCBs for diverse industries – built for durability, performance, and cost-efficiency.
FR4 PCB Manufacturing Excellence at MOKOPCB
MOKOPCB is a leading FR4 PCB manufacturer in China, providing high-quality FR4 circuit boards for customers in a wide range of industries such as automotive, LED lighting, IoT, medical, and so on. FR4 PCB made by MOKO features excellent dielectric properties, and high reliability, since each of them must go through a stringent quality control process before delivery. Looking for a reliable partner? Contact us immediately to kick off your project.

Our FR4 PCB Fabrication Capabilities
Number of Layers | Up to 18 layers |
Minimum thickness | 0.1mm |
Min. Board Size | 10*10mm |
Max. Board Size | 570*1200mm |
PCB Size Tolerance | ±0.2-0.3mm |
Outer Layer Copper Thickness | 0.5-5OZ |
Inner Layer Copper Thickness | 0.5-2OZ |
Min. Mechanical Drill | 0.1 mm |
Minimum BGA pad size | 7mil |
Min. Line Spacing | 4mil - 7mil |
Minimum Line Width | 4mil |
Solder Mask Color | Green ,Red, Yellow, Blue, White ,Black, Purple |
Surface Finishes | HASL, ENIG, OSP, and others |
Certifications | UL , IPC-6012, RoHS, ISO 9001, ISO14001 |
Why Choose MOKOPCB?

One-Stop Services
We provide a full range of PCB solutions which includes design services alongside fabrication and sourcing and delivery to save your time and expenses.

Strict Quality Control
MOKOPCB implements advanced PCB inspection techniques and follows the ISO standards to make sure that all boards fulfill strict reliability and quality requirements.

Manufacturing Expertise
MOKOPCB’s seasoned engineers and advanced facilities ensure reliable production of high-quality PCBs across diverse materials, layers, and complexities.

Production Flexibility
Our company accepts urgent orders together with customized specifications and fluctuating order quantities while maintaining quality standards and delivery timeliness.
Testing and Inspection Equipment at MOKOPCB





Applications of Rigid PCB Board

Industrial Equipment

Consumer Electronics

Network Infrastructure

IoT Devices
Explore All FR4 PCB
Frequently Asked Questions
What is an FR4 PCB?
An FR4 PCB is a type of printed circuit board made from FR4 (Flame Retardant 4), a material composed of glass-reinforced epoxy laminate. This type of PCB is the most widely used in various industries worldwide.
What are the advantages of FR4 PCBs?
FR4 PCBs offer excellent electrical insulation, good mechanical strength, flame resistance, moisture resistance, cost-effectiveness, and manufacturing versatility.
What are the disadvantages of FR4 material?
Compared to other materials, FR4 has a lower operating temperature and a higher dissipation factor. Hence, it is not suitable for applications that require high heat resistance or high-frequency performance.
What is the glass transition temperature (Tg) of FR4 material?
The Tg of FR4 typically ranges from 130°C to 180°C, depending on the specific grade of the material.
Do you offer impedance control or special finishes?
Absolutely—we support HASL, ENIG, immersion silver, and controlled impedance up to 50Ω ±10%.
How quickly can MOKOPCB deliver FR4 PCB prototypes?
We can deliver FR4 PCB prototypes with turnaround times as fast as 24 hour, And for some complex prototypes, it may take 4-5 business days.
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