PCB Prototype

Quality GradeStandard IPC 2
MaterialFR-1, FR-2, FR-4, FR4 Halogen Free, CEM-1, CEM-3, Hight TG, Aluminum
Available Layers1~50 layers
Board Thickness (mm)0.2mm~7mm
Board Thickness Tolerance±0.1mm - ±10%
Board SideMin 6*6mm | Max 500*500mm
Board Size Tolerance±0.1mm - ±0.3mm
Copper Thickness0.5-4.0oz
Copper Thickness Tolerance+0μm +20μm
Copper Weight0.5oz - 6.0oz
Inner Layer Copper Weight0.5oz - 2.0oz
Min. Drilled Hole Size0.25mm
Min. Line Width0.075mm (3mil)
Min. Line Spacing0.075mm (3mil)
Surface TreatmentImmersion gold Immersion, HALS/HALS lead free, Chemical tin, Chemical Gold
Surface/Hole Plating Thickness20μm - 30μm
Hole TolerancePTH: ±0.075, NTPH: ±0.05
Solder Mask ColorGreen/Black/White/Red/Blue/Yellow
Solder Mask SidesAs per the file
Min Tracing/Spacing3mil/3mil
Silkscreen SidesAs per the file
Silkscreen ColorWhite, Blue, Black, Red, Yellow
Min Annular Ring3mil
Min Width of Cutout (NPTH)0.8mm
NPTH Hole Size Tolerance±.002" (±0.05mm)
SM Tolerance (LPI).003" (0.075mm)
Aspect Ratio1.10 (Hole size: Board thickness)
PCB Testing10V - 250V, flying probe or testing fixture
Impedance Tolerance±5% - ±10%
SMD Pitch0.2mm (8mil)
BGA Pitch0.2mm (8mil)
Chamfer of Gold Fingers20, 30, 45, 60
Solder Mask Bridge0.1mm
Minimum Trace / Spacing3mil/3mil
Minimum trace width in inner layers≥ 6 mil To prevent ion migration
Minimum distance between vias (plated holes)12 ml or higher Prevent ion migration
Minimum distance between plated holes and trace≥ 12 mil To prevent ion migration

What is PCBs Prototype?

PCBs are considered the backbone of electronics. If you have a faulty PCB then it means that you have wasted your time, service, and money. Before explaining further let me tell you a little more about the printed circuit boards prototype.

China Printed circuit board prototypes are the early products of your electronic sample which you want to design, they are built with the sole purpose of testing design ideas to see how it looks while working? Either it works or not? Whereas all the prototypes are not functional at the early stages, because they are engineered to check the basic design and are made to check out user functionality. So in this regard, there are a large number of printed circuit board prototypes. In the case of functional prototypes, they are designed in such a way to check out the complete function of designs.

So different types of prototypes are used to test different aspects of the design. Just think for a while how much it is worse be finding the same fault or error in all the PBBs you have just manufactured? So that’s why it is best to test your printed circuit board to make sure that there is no fault in your prototype printed circuit boards and it is properly functioning. Some of the faults are not visible to the naked eye so it is the best option to test your prototype PCB.

Types of printed circuit boards prototypes:

Different types of prototypes are generally used to test the different aspects or functions of the PCB partner. During a project, multiple circuit boards are designed by the team at the multiple stages of the PCB assembly. In general PCB fabrication includes the following features:

Visual Models:

Visual models include the overview or look of the project. It includes the physical aspects like the design of the PCB and its also support for the shape and component structure of the project. The basic purpose of these visual models is to check, communicate and, review the design during the PCB fabrication. These models support making it easy and affordable.

Proof of concept prototype:

These are the simplest most prototypes that especially support replicating all the perfect primary functions of the board. Proof of concept prototypes helps a lot because it can show the results of the final project. This kind of prototype is made the PCB products concept is workable.

Working prototype PCB:

Working prototypes PCB are generally the functioning boards that are designed particularly to check all the planned features and functioning of the final project. Working prototypes are made to identify the problems or shortcomings in PCB manufacturing. In most cases working phototypes represents the overview of the finished or final product. You can easily judge how the final product looks by viewing the working prototype.

Functional prototype:

Functional prototypes PCB are designed in such a way that they represent the complete details and work of exactly what the final product looks like to customers.  It is the possible idea of working the product at the final stages of completion. It gives you an idea of the product with some basic material differences to keep prototyping low cost without any additional cost keeping the assembly an affordable option for your production service.

Importance of prototyping:

PCBs prototypes are very important and consider a vital part while designing a product. Professional PCB designers use prototype PCBs while working on the designing process, they usually repeat testing the functionality of their solution with the new addition or change in the product. In general, it considered the addition of PCB circuit board at every step costs a lot but actually, it adds very useful important functions that matter a lot in the design process. Such as;

·        Complete testing:

PCB printed circuit board enables design teams to range designs and spot problems quickly and accurately, taking the guesswork out of the equation. At every step of manufacturing faults and errors are determined quickly so that it saves time and cost of the project.

·        Visual assistance:

Providing prototypes as visual aids can help to communicate the design more easily and effectively. This helps minimize time spent on explanations. It also helps to understand the customers' requests and also helps to change the PCBs' quality, value price, board thickness, or any further assembly production instructions.

·        Minimized rework:

Prototype testing allows you to see the dimensions, quantity, pricing, layers, materials, and test the board before a full production run. It also minimizes the work that you can perform instant quotes to easily check out the faults and keep the PCB working according to the instructions. If any fault is found in the product then it can be solved in the initial stages.

  • Acuurate Relaibale Prototype:

During the product production process, it is the most important factor to have an accurate and reliable prototype. If you have an accurate and reliable PCB prototype then it will make it easier to solve the file issues throughout the process of manufacturing and development. Top-quality PCBs prototype accurately represent the functionality of the final product:

·        PCB design

Prototyping helps designers to figure out errors and faults early in the development of products which makes the designs are accurate and more reliable.

·        Functional testing:

It is generally observed that all the theories do not work in the practice but with the help of PCB assembly designs, you can check all the theories work in the practice or not? Accurate PCB boards always help to access all the theoretical values and show that how do they look while practicing in the production of the product.

·        Conditional testing:

Conditional testing is also very important while working on the file. This shows how much accurately the product will survive in certain environmental conditions.

·        Final product design:

PCBs prototype are generally integrated into a final product, and they also helped in changing the final product or overview of the product. This makes the final production adjustable where there any fluctuations are needed.

Test components individually:

In PCB board prototypes, we generally test every single function separately. After individual testing, they are generally incorporated into larger functioning units. Then they are tested to ensure their working as expected. Testing components individually can be used for multiple purposes, some of them are listed as follows:

·        Testing design theories:

All the simple PCB prototypes come with the proof of concept in the working, they allow the engineers to see and check the practical view such as board thickness, low cost, value pricing, copper weight, quality of the design idea before it undergoes further processing.

·        Breaking down complex designs:

Simple PCB board prototypes generally break down the final PCB board into several smaller products. This breakdown of the complex design into a smaller quality design helps in finding out the performance of the basic function before proceeding further to the next step of designing.

·        Reduced Costs

PCB prototypes help in the reduction of the cost. Standard quality PCBs production runs can get very high costs and increase the bill.

·        Catching design flaws: 

As soon as the team develops the PCB board, then soon the flaws in the designs can be the catch and give feedback to the manufacturer. If the team design PCBs at an early stage then in case of a fault it can be resolved at a low cost initially. At the final stage if any flaw is caught in the design then it costs a lot and is also expensive to fix the problem or mistake.

·        Pinpointing cost-saving adjustments:

There are various options which help in saving the amount of total cost. It all depends on the PCB quality, you can minimize the cost of the product by changing the material or components if possible. So PCBs prototypes also allow you to get the desired product at your affordable budget.

·        Determining product adjustments:

In most cases when we want to adjust the budget by changing the material or component of the PCBs prototype it changes the entire shape or design of the final product which was planned originally. Sometimes it affects the specifications and manufacturing needs of the product as a whole. Whereas in some cases it slightly changes the shape or quality of the product.  

PCBs Prototypes and EropePCB:

DFM (Design for manufacturing) service can also be provided by LT PCBA. Experienced and specialized engineers will provide you with an optimized blueprint, which does not exist for possible manufacturing problems. While the function and project integrity meet your compliance requirements, complications are eliminated quickly while removing the need for costly product rework. Whether you choose our PCB prototypes service with DFM or use your design instead, all of the boards will be tested to ensure they can be applied in your projects. All orders can be tracked using our ERP system in china. Our rates are transparent, so you will not be charged extra costs on fast shipping.

Order now to track your PCBs prototype from LT PCBA:

When you contact us to provide your file on Gerber files, along with a BOM, our engineer team will evaluate the design and offer you the quotation get your instant quote free. Once you contact us, whether at the quote or fast shipping stage, all of the project processes will be updated by our sales team and our specialized engineers with quality manufacturing capabilities. Our ERP system is currently running in China, once we’ve confirmed, no issues during the ERP system, it will be open online to track your order by yourself in real-time.


Write to Us And We Would Be Happy to Advise You.

    l have read and understood the privacy policy

    Do you have any questions, or would you like to speak directly with a representative?