ISO 9001 certified

ISO 9001 Certified

RoHS Compliant certified

RoHS Compliant

UL Listed certified

UL Listed

Custom FR4 PCBs - Manufacturers and Suppliers

Custom FR4 PCBs from FX PCB encompass rigid single-sided, double-sided, and multilayer boards engineered for demanding applications across aerospace, medical, automotive, telecommunications, and consumer electronics. With layer counts from 1 to 68, heavy copper options, high-Tg variants, and specialty substrates, these boards deliver precision, thermal stability, and regulatory compliance.

Rigid FR4 PCB
Multilayer PCB
6 Layer PCB
Black FR4 PCB
Tg180 & High Tg PCB
Heavy Copper PCB
Custom PCB and PCBA Manufacturing Services
Copper Coin PCB
Multilayer Rigid Flex PCB
Rigid Flex PCB

Our Range of Products
Rigid FR4 PCB

Rigid FR4 PCB

  • 1 to 68 layers for complex designs
  • IPC, ISO-9001, UL & RoHS certified
  • Min. 0.05mm line width & spacing
Multilayer PCB

Multilayer PCB

  • Scalable 4, 6, 8+ layer configurations
  • Impedance control for high-speed signals
  • Metal-core layers for heat dissipation
6 Layer PCB

6 Layer PCB

  • 6 layers with blind & buried vias
  • Impedance control, 0.07mm line width
  • RoHS & REACH compliant production
Black FR4 PCB

Black FR4 PCB

  • Black FR4 core for unique aesthetics
  • High thermal conductivity keeps parts cool
  • Low dielectric loss, high-frequency ready
Tg180 & High Tg PCB

Tg180 & High Tg PCB

  • Tg180: stable at 180°C and above
  • Low dielectric loss for RF signal integrity
  • Reduced moisture absorption vs. standard PCB
Heavy Copper PCB

Heavy Copper PCB

  • Copper thickness up to 20 oz per layer
  • 401 W/mK thermal conductivity copper
  • Up to 24-layer heavy copper multilayer

Showing 1 to 6 of 10 results

Frequently Asked Questions

What is an FR4 PCB and why is it widely used?

FR4 is a fiberglass-reinforced epoxy laminate rated Flame Resistant 4, making it the industry-standard PCB substrate. It offers excellent mechanical strength, low moisture absorption, high dielectric insulation, and cost-effectiveness. Its versatility supports applications ranging from consumer electronics and telecommunications to medical devices, aerospace, and industrial control systems.

What layer counts are available for custom FR4 PCBs?

What is the difference between standard FR4 and High Tg FR4?

What surface finishes are available for FR4 PCBs?

What copper weights are supported for FR4 PCBs?

What certifications and compliance standards do FX PCB's FR4 boards meet?

Can FX PCB handle both prototypes and high-volume production orders?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Medical & Healthcare

Medical & Healthcare

FR4 PCBs power MRI systems, X-ray equipment, heart monitors, defibrillators, and medical diagnostic devices.

Aerospace & Defense

Aerospace & Defense

High-reliability FR4 and High-Tg PCBs used in radar systems, satellites, military electronics, and avionics.

Automotive & Electric Vehicles

Automotive & Electric Vehicles

Heavy copper and rigid FR4 boards support EV modules, ABS systems, dashboards, and engine control units.

Telecommunications

Telecommunications

Multilayer and impedance-controlled FR4 PCBs enable high-speed data transmission in 5G and telecom infrastructure.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Rigid FR4 PCB | FR4 Double Sided PCBs - Best Sellers

FR4 Double Sided PCBs - Best Sellers

FR4 Double Sided PCBs are rigid, fiberglass-based circuit boards with copper traces on both sides, enabling compact, high-density circuit layouts. Suitable for consumer electronics, telecommunications, medical devices, automotive, aerospace, and industrial applications, they deliver reliable electrical performance, thermal stability, and compliance with IPC, RoHS, and UL standards.
Rigid FR4 PCB | FR4 PCB Boards

FR4 PCB Boards

FR4 PCB Boards from FX PCB encompass a comprehensive range of rigid, multilayer, high-Tg, black substrate, heavy copper, and specialty PCBs built on flame-resistant FR4 material. Serving aerospace, medical, automotive, and telecommunications industries, these boards deliver exceptional thermal stability, signal integrity, and compliance with IPC, ISO, UL, and RoHS standards.
Multilayer Rigid Flex PCB | Rigid-Flex PCB Manufacturers for Complex PCB Projects

Rigid-Flex PCB Manufacturers for Complex PCB Projects

SFX PCB specializes in rigid-flex PCB manufacturing, combining the structural integrity of rigid boards with the adaptability of flexible circuits. Serving aerospace, medical, automotive, and consumer electronics industries, these boards support complex multilayer configurations, tight impedance control, and high-reliability applications — all backed by ISO-certified manufacturing and 15+ years of expertise.

Why Electronics Manufacturers Choose FX PCB

15+ Years of PCB Manufacturing Expertise

Over 15 years of deep-rooted experience delivering precision FR4 PCBs across aerospace, medical, automotive, and telecom industries globally.

ISO-Certified Quality at Every Stage

ISO9001, ISO14001, and ISO13485 certified facilities with 100% electrical testing, AOI, X-ray inspection, and IPC-A-610 Class 2/3 compliance on every board.

Prototype to High-Volume, One Supplier

Seamlessly scale from prototype to mass production with free DFM analysis, 24-hour quoting, and direct manufacturer pricing — no middlemen involved.

Get a Custom FR4 PCB Quote Within 24 Hours

Submit your Gerber files or specifications and our engineers will respond with a detailed quote and DFM feedback within 24 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (+1) 5103455000 You can also send us a quick email at info@sfxpcb.com