Your Premier Yellow PCB Manufacturer in China

Why Choose PCBMay for Your Yellow PCB

PCBMay yellow PCB is a durable printed circuit board that provides a mechanical foundation and joins the electrical parts. It uses a yellow soldering mask with a high contrast feature between all the planes, empty spaces, and traces in the yellow solder masks.

PCBMay is your certified yellow PCB manufacturer and supplier located in China. With 12+ years of manufacturing experience, we can guarantee high-quality and sustainable products to customers globally. We have a massive stock of yellow printed circuit boards ready to ship.

PCBMay yellow PCB has unique advantages, thermal, chemical, electrical properties, and mechanical characteristics perfect for various applications. It has a superior bending strength that resists breakage or deformation when you expose it to stress. PCBMay Yellow board offers a suitable design and operations. This is also easy to clean and maintain.

Both standard and customized yellow PCB are available here. If you can’t find the right products from our catalog, our team will customize your yellow PCB based on your designs, sample, or idea. You can get the best performance yellow circuit board in PCBMay.

As a professional manufacturer, we use different methods to apply silkscreen on yellow PCB printing techniques, including liquid photo imaging, manual screen printing, direct legend printing, etc. We adopt the complete advantages of material quality, lead time, and price.

You can trust PCBMay, for your yellow PCB sourcing. We are famous in China and obtained many certifications such as RoHS, CE, ISO-9001 quality system certification, ISO-14001 environmental system certification, USA and Canada UL(E477880), etc. You can ensure guaranteed PCB products at a very affordable rate.

Our products are widely appreciated and exported to 60+ countries. These are commonly used in many fields, such as data communications, industrial control, aerospace, military, automotive, IoT, medical, safety-critical, telecommunications, electric power, energy, railways, LED lighting, and other fields.

Whether you’re a wholesaler, distributor, or custom factory that requires yellow PCB, PCBMay is your one-stop-shop solution. Aside from yellow circuit boards, we also manufacture and supply any other color PCB such as red PCB, black PCB, purple PCB, orange PCB, white PCB, and much more.

Contact us today! We assume to build a long-term business partnership with you.

Yellow PCB: The Ultimate FAQ Guide

The green PCB was formerly regarded as a typical PCB color. But PCBs have various colors today with the development of technology and innovation. In the PCB business, Yellow PCB is relatively new.

However, being one of China’s top PCB manufacturers, we often get inquiries about Yellow PCBs. We have thus chosen to address some of the most frequent queries.

What Is A Yellow PCB?

The final color of the PCB is decided by the Solder mask that is put to the board during the process of manufacturing. The solder mask method uses a variety of colors, each of which is coated differently. Yellow is one of the colors used in the design.

Yellow PCBs are created by manufacturers utilizing a variety of solder masks. It is responsible for holding the electrical components and connecting them. With respect to the design, look, and labelling on the board, the Yellow PCB varies in several ways from the rest of the PCB.

Yellow PCB

What Materials Are Used in Yellow PCB?

Some of the materials of the Yellow PCB are the same as the other PCB. However, the material can vary if you want to customize the layers or other components to get better performance.

These are some of the few materials used to fabricate a Yellow PCB-

• Flexible Laminates
• Polyimide Laminates
• Bonding Plies
• Teflon Laminates
• FR4 epoxy laminate
• Pre-peg
• Others

Yellow PCB Material

What Are The Features Of A Yellow PCB?

If you are thinking about purchasing a Yellow PCB for your devices, you should be familiar with the available characteristics.

These characteristics distinguish Yellow PCB from other PCBs-

• Assembly Reliability
• Good Designability
• Easily Testability Analysis
• Great Maintainability
• Good Producibility
• Higher Reliability
• Good Density
• Improved Wiring
• Reduced Weight
• Less Failure Rate

What are the Yellow PCB Applications?

The printed circuit board plays a key role in technological development, which has grown more vital in our everyday lives. These circuit boards are found in almost every modern product on the market.

Even though Yellow PCB is a comparatively new product in the market, it has found applications in a variety of sectors. These are some of the applications of Yellow PCB-

Consumer Electronics

This is the area in which Yellow PCB is most frequently used.

• PC
• Smartphones
• Tablets
• Television
• Game consoles
• Smartwatches etc.

Industrial Application

The industrial sector has reaped significant benefits from the widespread usage of yellow PCB. The efficiency of yellow PCB increases the productivity of the machine.

Some examples of how yellow PCB is utilized in the manufacturing industry-

• Power supplies
• Assembly machines
• Power distribution
• Presses
• Power inverters
• Ramps etc.

Medical Sector

The Yellow PCB makes a major contribution to the development of medical equipment. In treatment devices as well as monitoring equipment, biomedical engineers are using the yellow PCB.

Some examples of applications include-

• CT Scanner
• X-Ray Screens
• Electronic Microscopes
• Ultrasonic Scans
• Blood glucose monitor
• ECG machine

What Are The Various Forms Of a Yellow PCB?

Yellow printed circuit boards in different configurations are available, depending on the application, manufacturing method, and design requirements. However, before you choose a Yellow PCB for your product, there are a few things you should consider.

Different kinds of Yellow PCB are-

• Single-Sided PCB
• Double-Sided PCB
• Multi-layer PCB
• FlexiblePCB
• Rigid PCB
• Rigid-Flex  PCB

Different Types of Yellow PCB

If you want to understand more about PCB variations, we recommend that you watch this video.

What Is The Composition Of A Yellow PCB?

A yellow printed circuit board (PCB) contains the electrical components and links them electrically. A typical yellow printed circuit board is made up of four distinct materials.

Those include-

• Copper
• Soldermask
• Silkscreen
• Substrate

Substrate

Yellow PCB substrate is the base material. This layer is composed of fiberglass and is also referred to as FR4. In addition, this substratum layer provides gives the yellow printed circuit board a solid base. Depending on your requirements, you can make this layer whatever thickness you want.

Yellow PCB Substrate

Copper

The copper layer is the very next layer after the substrate.  This layer is laminated to the substrate with their adhesive and heat. On the double-sided yellow PCB, manufacturers use a copper layer on either side of the substrate.

Solder mask

A soldering mask is a thin polymer coating. This layer protects the Yellow PCB and provides a vivid yellow color to the PCB.

Silk Screen

The silkscreen layer is the uppermost layer of a yellow PCB. The labels, indicators, and text are all included in this layer by the manufacturers. The lettering on yellow PCB is usually written using permanent epoxy ink to ensure long-term durability. Normally, the text is shown in white.

How To Assemble A Yellow PCB?

To put together a Yellow PCB, you must go through a series of steps. To ensure that the whole process runs well, it is essential for all phases to be completed successfully.

Yellow PCB assembly process-

Tools

The minimal necessary tools for the yellow PCB assembly process-

• Small wire cutter
• Soldering iron
• Pliers
• Dental probe
• Voltmeter

 Soldering devices

There are a lot of soldering devices available. 15 to 30 watts of soldering iron is suggested for the Yellow PCB assembly process. Whatever soldering equipment you choose, just ensure the tips can be changed and various sizes are available.

Soldering Iron

Solder Types

For Yellow PCB construction, there are primarily two kinds of solder to choose from. Lead alloy and lead-free. However, because of environmental concerns, the majority of manufacturers utilize lead-free soldering.

Soldering method

Make sure you apply enough solder to connect the surfaces. Cold solder connections should be avoided at all costs. Cold solder connections may occur if not enough heat is supplied or the surface is not sufficiently heated before joining. While soldering, avoid inhaling the smoke which the flux in the solder generates, which can be harmful.

Electronic Parts

Inductors, transistors, resistors, diodes, capacitors, surface mount passives, and other electrical components are used in this process. You can purchase the components individually, and they are not too costly.

PCB Design

Designing your own PCB can be both enjoyable and productive. The majority of PCBs are created using CAD software. They are however prohibitively expensive.

PCB makers can create a Yellow circuit board layout for you at a competitive price. Furthermore, if you have no prior expertise with PCB design, they may assist you in designing the Yellow PCB that you need.

Yellow PCB Design In-CAD Software

Rework

Rework is a necessary component of the assembly process for Yellow PCB. Rework may uncover a variety of defects on your circuit board.

Incorrectly connected traces, a resistor in the incorrect location, braided copper tape, solder wick in two-sided boards, and many other issues. These issues have the potential to cause a PCB to fail, and ultimately, the failure of your whole device. As a result, ensure that the Yellow PCB assembly process is reworked.

The video below will provide you with a better understanding of the yellow PCB assembly process.

What are Yellow PCB Advantages?

Some benefits of the Yellow PCB over the other types of printed circuit boards have made it popular among manufacturers. Let’s look at what the yellow printed circuit board has to offer-

• It can be produced massively at a lower cost.
• It has an excellent shelf life.
• It is both small in size and efficient in terms of wire management.
• No short circuit can happen in the Yellow PCB.
• Its coating gives safety to the circuit board and circuit from environmental conditions.
• It has better overall efficiency.
• It is durable and corrosion-resistant
• It removes the requirement for a heat reflector.

Yellow PCB Advantages

What is the Standard Yellow PCB Thickness?

The standard thickness of a Yellow PCB is 1.57 mm, which is about 0.062 inches.

Although a yellow PCB does not have a fixed thickness, 1.57 mm is considered normal. There are a variety of variables that influence the illness caused by a yellow PCB. You have the option of customizing the thickness of your yellow PCB to meet your product.

The thickness of a PCB has a significant impact on its functioning. As part of the design process, a designer must specify how a particular thickness will be used. The layers of PCB, the components, and the laminations all have a significant influence in defining the thickness of a yellow PCB.

Thickness Of A Yellow PCB

How To Specify Impedance Control Of A Yellow PCB?

Impedance

An electric circuit’s resistance and reactance are added together to get its total resistance. It is measured in Ohms, which is the unit of resistance. The higher the trace impedance, the greater the importance of controlling the trace impedance. In traces that link to components, signal frequency is an important consideration.

Impedance control makes the PCB more responsive and energy-efficient. These are the factors that should be considered while specifying impedance control during yellow PCB design-

Copper thickness

The copper thickness of the Yellow PCB may have an impact on its impedance control. The impedance decreases as the copper thickness increases. The designers can reduce the impedance by increasing the copper thickness.

Trace width

Trace width is the measurement of copper foil thickness as well as its topcoat. The impedance is expected to decrease when the trace width is increased.

When designing a PCB, the designers consider a variety of parameters, such as temperature increase and capacity, when determining trace width. Designers often include a particular impedance as well as the trace width in their specifications.

PCB Trace Width

Dielectric constant

Frequency is inversely related to the dielectric constant of a Yellow PCB. The use of a yellow printed circuit board with a steady and low dielectric constant may be beneficial for controlling high frequencies and impedance. A high dielectric constant may have a significant impact on impedance in unexpected ways.

Dielectric thickness

The impedance rises dramatically as the dielectric thickness grows significantly. Impedance is reduced by reducing the thickness of the insulating layer used by the designers. The connection between dielectric thickness and impedance, on the other hand, is logarithmic.

How To Select The Best Yellow PCB Manufacturer?

Choosing the best yellow printed circuit board maker was never a simple task. The PCB design and the board production must be done by a specialist PCB manufacturer. Getting the right PCB manufacturer can ease the process much easier while choosing the wrong one can make things even more difficult.

Below are some of the things you need to assess while choosing the best manufacturer of Yellow PCBs:

Quality of the PCB

When it comes to choosing the appropriate PCB manufacturer, quality should be the first consideration. There are many distinct types of PCB quality, as follows:

• Right dimensions of the board
• Minimum board warping
• All drills are holed and rightly placed
• Certification in accordance with IPC-A-610 standards
• RoHS compliant or Lead-Free manufacturing

The quality should be maintained at a high level at all times since errors may cause the whole PCB and ultimately your gadget to fail.

Manufacturing cost

Pricing is the most important consideration when selecting the best PCB maker. Increasing the profitability of a product is achieved via its cost reduction.

Quality, on the other hand, should not be sacrificed for the sake of cost savings. It is necessary to strike a balance between quality and cost to obtain the lowest possible price while still delivering the needed output.

Ability to cooperate

The capacity to cooperate with a business and establish a good work relationship is another essential factor. It is difficult to measure, but if a PCB maker is in a position to work with PCB design and installation, it may be an important advantage in choosing the best manufacturer of PCBs.

PCB Manufacturing

What Distinguishes the Yellow PCB from Conventional PCB?

The color of the PCB defines the coating process or the solder mask. It is composed of shellac which has been treated using pigments that are thought to help retain visible copper.

The color yellow attracts people’s attention. Yellow PCB, like the other colors of PCB, is effective in various applications, including aesthetics, minimalism, and visibility.

On a yellow printed circuit board, the label and text are easily visible.

The most significant difference between normal PCB and yellow PCB is that you cannot use yellow PCB in certain applications due to its weak contrast silkscreen with traces and silkscreen on the surface.

Yellow PCB VS Convention PCB

How To Test A Yellow PCB?

Testing for Yellow PCBs is a key component. Testing on PCB may save money and identify faults before they are used in products.

Some of the most significant kinds of PCB testing that are utilized in corporate sectors are listed below:

In-Circuit testing

This testing is the most promising test that can be performed on PCBs since it requires relatively few modifications. Prices for this testing are the main disadvantage.

This test determines whether or not the solder connection is structurally sound. The board is pushed down into the bed of probes by the bed of nails used in this testing, which initiates the test. There is a specific amount of pressure given to the board to ensure that it stays in good condition.

PCB In-Circuit Testing

Automated optical inspection

This is also known as AOI testing. In this method, pictures of the PCB are taken using either a 2D or a 3D camera, and then a qualified expert analyzes the photos of your PCB with a standard schematic. If your board fails to follow the schematic to a particular degree, it will fail the test.

X-ray inspection

It is also referred to as AXI. Solder joint barrels and internal traces are detected during this examination. There are 2D and 3D AXI tests available, with the 3D exam being the quicker of the two.

X-ray examination can detect defects that are not visible to the human eye, such as loose connections and solder joints. This testing needs the use of trained personnel.

Functional testing

This test is a further requirement of the customers. This testing necessitates the use of:

• fixtures,
• MSHA, UL, or other certifications
• External required parts

This testing may also include peel tests, solderability tests, and TDR tests, among other things.

Functional PCB testing offers several benefits, including the ability to remove the need for costly system tests, the ability to simulate the working environment, and, last but not least, the ability to identify faulty components.

How To Design A Yellow PCB?

Designing your PCB is an option, but you may also engage a manufacturer or engineer to create the Yellow PCB for you if you want. When it comes to Yellow PCB design, there are many considerations. You may build a contemporary yellow PCB design by following the procedures shown below:

• Creating the scheme
• Configure the layout for Blank PCB
• Your PCB Stackup Layout
• Definition of design requirement for DFM
• Component Placing
• Add drill holes
• Traces route
• Add tags and id
• Creating Design Files

Yellow PCB Layout

What is the Yellow PCB Manufacturing Process?

The stages of the PCB design stage begin with the design and testing of the circuit boards and extend through to the manufacturing of the boards.

CAD software and machine-driven equipment are required for several stages in order to guarantee precision and avoid short circuits or partial circuits in the final product. Before they are packed and sent to consumers, the finished boards have to go through a rigorous testing process.

● Designing

This is the first step of manufacturing a yellow PCB.  You can design the PCB in CAD or other computer programs.

● Printing the PCB design

Following a final inspection of the design, your PCB design is ready for printing. You can print the layout on a ‘Film’ of the PCB. In terms of appearance, the end output of this “film” is quite similar to the transparencies that were formerly often used in classrooms; it’s a picture negative of the circuit board.

● Printing the Copper layer

During this layer, the real manufacturing process gets underway. Following the printing of the PCB design, copper is put to the board, which acts as the board’s structural support. The copper has then scratched away, revealing the blueprint that was previously hidden.

● Removing  excess copper

Excess copper may cause PCB problems. It must thus be eliminated before the production process may proceed.

● Alignment of layer

You can align the layers of PCB after cleaning them.

● Laminating the layers

The PCB layers are all laminated together. They can be fused once the layers are verified to be defect-free.

Drilling

Before beginning the drilling operation, an x-ray machine is utilized to identify the drill site on the target. This procedure is required for the PCB layers to be able to stack on top of one another securely. To create the holes, a computer-guided drill is utilized.

As soon as the drilling process is completed, the extra copper is put to the borders of the hole.

Yellow PCB Drilling

Is It Possible To Reverse Engineer A Yellow PCB?

Of course, you can reverse engineer a Yellow PCB.

But you need time, patience, and instruments to get there. The reverse engineering of a PCB also affects your convenience with the software and board.

Here are some of the items that you need to reverse engineer a PCB-

• Magnifying glass
• Trace width  calculator
• A multimeter
• CAD software

PCB Reverse Engineering

Conclusion

Yellow PCB is becoming more popular among manufacturers. It is often praised for its attractive appearance and cheap cost.

Yellow PCBs must be dependable under all conditions. We talked about the design and production processes, as well as the assembly process. With the aid of specialist personnel, we produce and assemble yellow circuit boards in PCBMay. Please feel free to contact us at any time if you have any queries.