How to Find a Good PCB Assembly Contract Manufacturer

Contract Manufacturing in PCB Assembly

Contract Manufacturing in PCB Assembly

Manufacturing of PCB contracts includes designing, producing, and assembling printed circuit boards (PCBs) and associated electronic subassemblies using a range of extremely accurate and automated processing techniques. The contract production facilities specialize in building other firms’ commodities using the other company’s logo or market title. In the case of a PCB contract maker, PCB assemblies may be built for electronic producers based on designs requested or accepted by the client, which has negotiated with them to construct PCBs. The contract manufacturer plays an essential role in the field of PCB design and production.

Manufacturers of electronics typically have the manufacturing experience to produce PCB assemblies, the technological knowledge to construct their finished goods and deliver them to the distribution and marketing staff. However, they don’t have the capacity, expertise, and equipment to create a PCB panel used in the assembly process. Originality, creativity, and imagination push every market, apart from consumer demand, and the PCB industry is no different. However, when it comes to doing their projects, even those who succeed in innovation and rely on solving difficult challenges such as PCB designers, always find it difficult.  The designers can avoid the complexity of PCB manufacture by utilizing a PCB contract development for this role, enabling them to concentrate on their areas of expertise such as development and selling of their goods.


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PCBA Contract Manufacturing Advantages

PCB Assembly Contract Manufacturer

Obtaining a third-party firm’s facilities for PCB Contract manufacturing provides many benefits as compared  to in-house processing. In Practice, as PCB Contract Production is used, versatility, lower prices, and connections to outside resources are added. Time is saved, accuracy is improved, and cost reductions are realized in circumstances where large volume output is required.  Reliable performance and adherence to uniform production procedures are critical as PCBs are mass-developed on a large scale.

Without extremely advanced machinery and highly trained operators, PCB Contract Production establishes a standard of consistency and efficiency not otherwise feasible. PCB Contract Production allows the consistency of components within an electronic system as well as the proper positioning of items, such as LEDs in a Solid-State Lighting unit. There are several explanations of why it is advantageous for an electronics supplier to employ a PCB contract manufacturer, and some of them are mentioned below.

Electronic manufacturers obtain Preassembled PCBAs

It is challenging to construct a circuit board. You may save financial capital and cost of running and repair the equipment needed for PCB assembly by partnering with a PCB contract manufacturer. For contract production, the processes and controls necessary for the PCB assembly activity do not need to be established and continuously modified by electronic vendors. Besides, contract production helps you to stop running and supervising PCB manufacturing processes while retaining a workforce of highly trained engineers and technicians.

PCBA Contract Manufacturer Expertise

Third-party PCB assembly contract manufacturers are highly skillful in their jobs. For years, they have been performing this task, and they hire professionals to produce the highest results. They recognize what their clients need to create the highest quality assemblies at the best possible price. Their workers are qualified and specialized in assembling various forms and innovations of circuit boards. They have a lot of expertise in ensuring that the product is developed successfully to bring you the output you need.

A low-volume high-mix Assembly Approach

Most PCB assembly contract producers focus on the manufacturing approach called low-volume high-mix. In this production method, they can react promptly to their clients’ needs. In this technique, the clients can order in low volume and can get a fast turnaround. This method is suitable for creating prototypes or rapidly growing development of modern emergency medical equipment.

Expert Workforce

The PCB assembly contract manufacturers can collaborate with their clients on their projects by a staff of engineers, who assist them in making critical design decisions. They not only concentrate on the production capabilities of specific designs but also provide several other services. These facilities vary from schematic and PCB design to electro-mechanical design.


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Component Experts

The PCB assembly contract manufacturer’s product engineers can analyze a selection of materials for each specification to ensure that the specified components are accessible at the appropriate cost. They are qualified to suggest solutions to components that are not accessible. They can also hold an eye on the supply chain if the status of parts already being used in ongoing board production is changed.

Standard Conformity

PCB assembly contract manufacturers are licensed by various standardization bodies and bear several industry credentials in order to effectively create PCB assemblies and circuit boards for different sectors of the market. They provide their employees with many daily seminars and training courses to ensure that they are competent in state-of-the-art industry architecture and assembly requirements.

Previous Records of PCBAs Manufacturers

PCB assembly contract suppliers remain in operation by offering the best standard in their circuit board assemblies. They maintain a directory of references and records of their work to showcase their skills. For instance, a PCB assembler, which is also experienced in box construction and cable assemblies, and wire straps, may render the whole package much more useful by constructing it in one facility. Many PCB assemblers are often built to fulfill the specific demands of constructing prototypes. The most accessible approach to discover more is to work with a nearby PCBA supplier.

Applications of Contract PCBAs

In various technical applications, printed circuit boards are employed. Manufacturing of PCB assemblies can be classified into three categories: general electronics, dedicated electronics, and electronics of high reliability. PCB Contract manufacturing is used in everyday electronics in predominantly commercial products such as mobile phones, wearables, and computers. In some cases, the standard military hardware is also included in this category.

PCB assembly contractors Produce specialized electronics, provide instruments and appliances on which long-term and high-efficiency criteria are more urgent than the lower critics of items of the general electronics segment. For high-efficiency electronics like technical and commercial machinery, weapons systems, and life-support services, PCB Contract Production is crucial. Such commercial and military implementations need a final product that does not accept mechanical interruption or degradation and where assured quality is of the essence and operation is important.

Services offered by Contract PCBA :

  • Solder paste printers
  • In-line solder paste inspection (SPI)
  • Surface Mount Technology (SMT)
  • In-line automated optical inspection (AOI)
  • Flying probe testing & In-circuit testing (ICT)
  • Functional testing at PCBA level
  • Thermocycling
  • Conformal Coating
  • Potting
  • Hi-pot testing

Selecting a PCB Assembly Manufacturer

Although a single unit of a working prototype is an important feature, it does not mean that a product concept is ready to be manufactured on a massive scale. Fortunately, this may promote the transformation from a concept proposal or design to a finished product via a collaboration with PCB assembly contract manufacturers (PCBACM). For instance, it may be challenging to pick the best PCBA CM for particular business requirements. However, you can simplify this phase by answering the right questions regarding the potential PCBA CM to make sure it suits perfectly for all purposes.

It would help if you had a clear idea of your model’s specifications before you start looking for an assembly manufacturer. You may help select a contract maker who is most suited for the job by understanding the particular production requirements. If you consider the following issues, you can define your design specifications: Is it a prototype or an actual board manufacturing? What is the PCB sort or the categorization? How complicated is the final assembly? What is the board’s construction volume? Are there going to be a small number of builds or a substantial volume of units, and what certifications and other industry regulations need to be followed in assembly manufacturing.

Once these issues have been resolved, the emphasis of the quest for a contract production partner who can help your PCB growth objectives and produce the best possible boards can be significantly reduced. Now to test the necessary features of the PCBACM on five critical parameters, you may ask more comprehensive questions such as what should be the level of Quality Control, what is the acceptable duration of turnaround, is the assembly being designed for manufacturing, how much trade-off is acceptable between acceptance quality level and yield rate, and type of assembly and level of service.

By assessing possible CM partners depending on the relevant requirements, you will define a partner to help your PCB growth objectives and optimize your concept to suit the strengths and specifications of your PCBACM.

IPC Quality Control

You could get an Electronics Manufacturing Services (EMS) affiliate with a particular credential to fulfill the industry guidelines, based on the PCB specifications and the intended demand for your device. You can inquire, for instance, if they adhere to REACH or RoHS. For safety concerns, market legislation is in effect, but enforcement can still pose a challenge for businesses.  The correct collaborator will, therefore, guarantee that the relevant expectations are met in the assembly of the PCB.

The IPC classification of PCBACM must be checked beforehand. For instance, if you identify your product as an electronic IPC Class 2 or 3 unit, always be able to inquire if your CM is ISO 9001 at least accredited. Furthermore, it may be appropriate for your PCBACM to be rated J-STD-001 or ISO 13545 or AS9100D if your product is a highly durable electronic system, such as aerospace automotive, and medical equipment. Besides, the protection of industrial equipment is subject to UL508A certification.

Turnaround Time

Regardless of the application, the processing period for a commodity is essential for its ultimate performance. Time-to-market is closely correlated with production and manufacturing time and can significantly influence the business’s performance. It is necessary, therefore, to know the experience of your CM in the development of your own PCBs. Try to select a contract manufacturer based on the following points

  • What is the standard production period for the tasks?
  • Can the projects be speeded up if required by the application?
  • How promptly is the current status of production and changes shared?

In particular, confidence and transparent interaction must be part of the relationship you establish with your CM. Know, time to market is important, and a strong partnership with your CM can help eliminate delays that undermine your organization’s business advantage.


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Design for Manufacturing

The aims of a PCB manufacturer are based on the precision and reliability of their projects. However, it has to be producible and flexible irrespective of the nature of its designs. If a firm identifies a possible PCBACM, it needs to be asked about its Manufacturing Design (DFM) skills. DFM is a vital parameter to consider for the success of any product. The DFM method’s first critical phase is the revision of the PCB layout since it can allow an accomplished engineer to find ways to streamline or enhance the design. It also helps the PCBACM to decide if the electronic components need special handling in your design.

Compromise between Acceptance Quality level (ACQ) and Yield Rate

If the product standard is poor, then there is no point in creating an actual product. This fact is especially valid in PCBA manufacturing. Any prospective CM should then be questioned regarding their yields rates and service quality levels. AQL, or ISO standard 2859-1, is the degree of consistency known as the most tolerable level for an average of many batches over a period of time. That is to say: AQL specifies the allowable number of faulty pieces before the production batch is discarded. AQL shows the lowest acceptable quality level in a specific sample size.

Type of PCBA and Required Service Level

Another relevant thing to consider regarding the potential PCBACM refers to, for instance, the quality of operation or quality of support they offer. The PCB industry describes turnkey PCB output where a single PCBACM produces and acquires the parts and assemble them under one roof. Turnkey PCBA is an outstanding option for businesses with extremely technical and sensitive building projects, which need short production times without losing overall efficiency.


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