FR4 Circuit Board Supplier

FR4 Leiterplatte

Custom FR4 circuit boards for LED, industrial control and electronics projects.

Send your Gerber and drill files with the required layer count, board thickness, copper weight, surface finish, solder mask color, quantity and delivery target. YC PCB will check manufacturability, testing and optional PCBA requirements before providing a quotation.

Get FR4 PCB Quote Learn FR4 Material

FR4 Material PCB OSP / HASL / ENIG No MOQ / No MOV Free DFM Review

What Is FR4 Material Types Anwendungen Material Compare Capability Manufacturing Quote FAQ

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What Is FR4 PCB?

FR4 Leiterplatte is a rigid circuit board made with fiberglass-reinforced epoxy laminate. It is widely used because it offers a practical balance of cost, mechanical strength, electrical insulation and manufacturability.

Choose FR4 when your product requires a rigid circuit board and does not depend on metal-core heat dissipation, repeated bending or a specialized low-loss RF material. Send the application, operating conditions and PCB files so the material route can be confirmed before production.

Good fitRigid electronics, LED strip lights, control boards and general PCBs.

Review neededHigh heat, high-frequency, high-current or special stack-up projects.

Send firstGerber, drill file, thickness, copper weight, finish and quantity.

FR4 material structure

The finished board combines fiberglass reinforcement, epoxy insulation and copper circuit layers. Specify the layer count, finished thickness, copper weight, Tg requirement and any electrical or mechanical constraints in the RFQ.

FR4 Material PCB

For an accurate FR4 PCB quotation, confirm the finished thickness, copper weight, solder mask, surface finish, operating temperature, mechanical requirements and assembly method.

Fiberglass strength

Fiberglass reinforcement provides the rigidity and dimensional stability needed for drilling, routing, component assembly and service in the finished product.

Helps reduce warping risk
Supports routing and drilling
Suitable for many rigid board shapes

Epoxy insulation

Epoxy resin electrically isolates the copper layers and supports standard rigid PCB manufacturing for general electronic applications.

Good electrical insulation
Common in rigid PCB fabrication
Project review needed for thermal stress

Copper circuit layer

Copper foil is etched into the required circuit pattern. State the copper weight, current load and any high-current areas so trace width and manufacturability can be checked.

1 oz is common for many boards
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Single layer FR4 PCB for LED strip light and low power lighting circuits

Single Layer LED Strip Light FR4 PCB

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MaterialSingle Layer FR4

LötstoppmaskeHigh Reflective Ink

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Two layer FR4 PCB for industrial control and driver board applications

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MaterialDouble Layer FR4

LötstoppmaskeHigh Reflective Ink or custom review

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TestsAOI + Electrical Test

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Four layer FR4 PCB with ENIG finish for communication electronics

Communication Series 4 Layer FR4 PCB with ENIG

Suitable for communication and control modules that require internal reference planes, higher routing density, stable SMT pads and ENIG surface finish.

Material4 Layer FR4

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ReviewStack-up and routing density

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FR4 PCB Applications

FR4 PCB is commonly used in lighting controls, industrial electronics, consumer products, power modules and communication equipment. Confirm heat load, current, routing density, operating environment and assembly method before finalizing the material.

LED strip light application using FR4 PCB circuit boards

LED-Beleuchtung

Use FR4 for low-power LED strips, indicators and decorative lighting. For concentrated heat or high-power LEDs, compare aluminum and copper substrate options before approving the design.

Industrial control electronics application for FR4 PCB manufacturing

Industrial FR4 PCB

Use this route for industrial controllers, drivers and power interfaces that require stable routing, reliable plated holes, electrical testing and repeatable production.

Finished FR4 PCBA for consumer electronic product applications

Unterhaltungselektronik

Use FR4 for compact control, connection and power functions where a rigid board, standard assembly process and controlled production cost are required.

Communication electronics module using four layer FR4 PCB

Communication Modules

Use 4-layer FR4 when communication electronics require denser routing, dedicated reference planes, fine SMT pads or ENIG finish.

FR4 vs Other PCB Materials

FR4 is suitable for many rigid electronic products. Select another material when the design requires stronger heat transfer, repeated flexing, lower RF loss or specialized high-current construction.

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FR4 Leiterplatte	General rigid electronics, low-power LED, industrial control	Choose when cost, insulation and standard rigid PCB fabrication matter.	Single layer, double layer, 4-layer and custom FR4 review
Aluminium-Leiterplatte	LED lighting and power electronics with heat dissipation needs	Choose when thermal performance is more important than using a standard FR4 route.	Aluminum PCB and LED PCBA support
Copper Substrate PCB	High-power LED and strong thermal transfer applications	Choose when heat needs to move quickly from LED or power components.	Copper substrate and high-thermal project review
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits	Bendable or space-constrained designs	Choose when the board must bend or fit a curved space.	Flexible PCB and rigid-flex PCB support
Hochfrequenz-Leiterplatte	RF or signal-sensitive applications	Choose when FR4 electrical loss is not suitable for the design.	High-frequency PCB review by project

Buyer note: If your LED project has high heat concentration, do not choose FR4 only because it is lower cost. Send power, LED layout and thermal requirements so YC PCB can review whether FR4, aluminum or copper substrate is safer.

FR4 Board Manufacturer

FR4 PCB Capability

Confirm the required material, layer count, board thickness, copper weight, surface finish, edge process and inspection requirements in your RFQ. Final feasibility is determined from the Gerber and drill data.

YC PCB manufacturing capability chart for custom PCB fabrication

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FR4 PCB type and surface finish selection guide

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FR4 PCB quality control flow for DFM AOI electrical test and final inspection

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Free DFM Review

Gerber data, drill attributes, copper weight, surface finish and panelization are checked before the production route is released.

Flexible Order Support

Prototype, pilot and volume order quantities can be evaluated according to board complexity, material availability and delivery target.

PCB + PCBA Support

Bare-board fabrication can be combined with BOM review, component sourcing, SMT, THT and functional testing when complete assembly files are supplied.

Inspection Support

Inspection can include AOI and electrical testing for bare boards, plus X-Ray, ICT or FCT for assembled boards when specified in the RFQ.

FR4 PCB Manufacturing

FR4 PCB Manufacturing Process

After receiving the files, YC PCB confirms material, layer structure, copper weight, surface finish, panelization, testing and delivery requirements before production.

File Review

Gerber, drill file, board outline, copper weight, surface finish and quantity are checked first.

Materialvorbereitung

FR4 laminate and copper material are prepared according to the confirmed production route.

Drilling

Vias, through holes and mechanical holes are processed from the drill file.

Imaging & Etching

Copper circuits are formed according to the Gerber pattern.

Finish & Routing

Solder mask, silkscreen, OSP, HASL, ENIG or gold finger process are completed as required.

Test & Ship

AOI, electrical testing, final inspection, packing and delivery are arranged before shipment.

FR4 PCB Quote

FR4 PCB Quote Checklist

Provide complete fabrication and assembly information so manufacturability, testing, price and lead time can be confirmed without avoidable revisions.

Send These Details

✓ Gerber RS-274X files

✓ Excellon drill file

✓ Board size, thickness and copper weight

✓ Surface finish: OSP, HASL, ENIG or gold finger

✓ Solder mask and silkscreen color

✓ Quantity, target lead time and shipping country

✓ BOM and assembly files if PCBA is required

Project Submission

Send Your FR4 PCB Requirements

Submit your contact details and FR4 PCB requirements through our quick inquiry form. For Gerber files, drill data, BOM, pick-and-place files or other attachments, email them directly to our engineering team.

Send Project Requirements Email PCB Files

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FR4 PCB FAQ

Procurement and engineering answers for selecting FR4 material, preparing quotation files and confirming production requirements.

What is FR4 PCB?

FR4 PCB is a rigid circuit board built on fiberglass-reinforced epoxy laminate. It is commonly specified for electronic products that require reliable insulation, mechanical strength, stable dimensions and cost-effective manufacturing.

What is the difference between FR4 PCB and aluminum PCB?

FR4 is suitable for many rigid electronic boards. Aluminum PCB is usually selected when heat dissipation is more important, especially in higher-power LED lighting and power electronics.

Is FR4 suitable for LED lighting?

FR4 can be suitable for low-power LED strip lights, indicator lighting and simple lighting modules. For high-power LED applications, thermal design should be reviewed and aluminum or copper substrate may be more appropriate.

Can YC PCB manufacture industrial FR4 PCB?

Yes. YC PCB can review double-layer and custom FR4 PCB projects for industrial control boards, driver electronics and power modules according to Gerber files and testing requirements.

Should I choose OSP, HASL or ENIG?