Manufacturing Services

PCB Assembly Services

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End-to-End PCB Assembly Services

At Mefron, we provide reliable and precise PCB assembly services, including SMT and through-hole PCB assembly, for a variety of industries. With years of expertise and state-of-the-art technology, we ensure that every assembled PCB meets the highest quality standards. Our capabilities span from HMLV (High-Mix Low-Volume) to LMHV (Low-Mix High-Volume) PCB assembly, designed for efficiency and accuracy.

Our robust infrastructure and thorough testing processes make us a trusted partner in PCB assembly. We prioritize quality through meticulous inspections and advanced machinery, ensuring zero defects. Partner with us for exceptional service, quick turnaround, and cost-effective solutions tailored to your needs.

Capabilities Overview

Quick Insight into Our Capabilities and Expertise.

PCB Size

Minimum Board Dimension: 50mm X 50mm

Maximum Board Dimension: 508mm X 400mm

SMT Component Size

0201 to 74mm X 74mm and 32 x 180mm

Component Height - 25mm

BGA Pitch - 0.25mm

150,000 CPH

Order Options

High-Mix Low-Volume

Low-Mix High-Volume

Low Volume for Prototyping

Conformal Coating

Acrylic Conformal

Parylene Coating

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World-Class PCB Assembly Setup

Fully Automated PCB Assembly Line for Unparalleled Precision

Solder Pasting

Solder Pasting

Our solder pasting machine ensures precise and consistent application of solder paste, laying the foundation for high-quality PCB assembly.

  • Solder paste is applied with high-precision stencil printers to ensure consistent pad coverage.
  • We use only RoHS-compliant, high-reliability solder pastes for all assemblies
  • In-line SPI systems verify paste volume and alignment after every print
  • Environmental controls are maintained to preserve paste integrity and performance.
  • Stencils are cleaned and inspected regularly to prevent printing defects.
component-placement

Component Placement

Our advanced component placement machine guarantees accurate and efficient positioning of every electronic component, enhancing overall assembly precision.

  • High-speed pick-and-place machines ensure precise and repeatable component positioning.
  • Vision systems verify component orientation and alignment before placement.
  • Mefron handles a wide range of packages, including 01005, BGA, and QFN.
  • Feeder calibration is performed routinely for consistent part delivery.
  • Placement data is optimized using CAD input to reduce cycle time and errors.
Reflow Soldering

Reflow Soldering

Utilizing a reflow soldering machine, we achieve perfect solder joints through controlled heating, ensuring reliability for every PCB assembly.

  • Reflow profiles are customized per assembly to ensure optimal solder joint formation.
  • We use multi-zone reflow ovens with precise thermal control and profiling.
  • Nitrogen atmosphere reflow is used for sensitive assemblies to minimize oxidation.
  • Continuous monitoring ensures uniform heating across all PCB zones.
  • IPC-compliant inspection follows reflow to verify solder quality and joint reliability.
Conformal Coating

Conformal Coating

Our conformal coating booth provides essential protection for PCBs, applying a protective layer that safeguards against environmental factors.

  • We apply conformal coatings to protect PCBs from moisture, dust, and chemical exposure.
  • Automated selective coating systems ensure accurate and repeatable application.
  • UV inspection verifies uniform coverage and absence of voids or skips.
  • Mefron uses acrylic, silicone, and polyurethane coatings based on application needs.
  • Curing is done under controlled conditions to ensure proper adhesion and finish.
Selective Soldering

Selective Soldering

We have a selective soldering machine that allows us to target specific areas for soldering, providing flexibility and precision in our PCB assembly processes.

  • Selective soldering is used for through-hole components on mixed-technology boards.
  • Programmable nozzles ensure precise solder delivery to specific joints.
  • Preheating zones help minimize thermal shock and ensure proper flux activation.
  • We use nitrogen environments to reduce oxidation during the soldering process.
  • Automated process control ensures consistent solder quality across batches.

Tailored PCB Assembly Service for Your Business Needs

SMT Assembly Services

SMT Assembly Services

SMT assembly involves placing and soldering electronic components onto printed circuit boards (PCBs) with high precision and efficiency through Automated machines.

Through-Hole Assembly

Through-Hole Assembly

This involves mounting electronic components with leads that pass through drilled holes in a PCB and are soldered for strong mechanical bonds.

Hybrid Assembly Services

Hybrid Assembly Services

This combines Surface Mount Technology (SMT) and Through-Hole Technology (THT) in a single PCB to optimize performance, durability, and space efficiency.

Explore Our Assembly Options

Turnkey PCB Assembly

Experience true convenience with our turnkey PCB assembly services—covering component sourcing to the complete delivery of your assembled PCB, all under one roof.

Partial Consigned Assembly

Our partial consigned PCB assembly service allows you to supply key components, while we take care of sourcing the remaining parts for a seamless assembly process.

Job Work

Let us take care of your PCB assembly job work—your components, our assembly expertise, resulting in high-quality PCBs ready for your application.

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Stringent Quality Checks for Superior PCB Assembly

At Mefron, we ensure excellence at every step, by implementing a comprehensive quality assurance process for our PCB assembly services. Our quality checks include:-

Solder Paste Inspection

We meticulously inspect solder paste application to ensure correct quantity and positioning, paving the way for reliable solder joints.

Automated Optical Inspection (AOI)

We keep control over placements and detect defects through our advanced AOI machine, ensuring the highest accuracy in component positioning.

X-Ray Inspection

We utilize X-ray technology for inspecting hidden solder joints and connections, guaranteeing the integrity of complex assemblies.

Visual Inspection

Our team conducts thorough visual inspections to identify any potential issues, reinforcing our commitment to quality.

Functional Testing

We perform detailed functional testing to verify that every PCB operates as intended, ensuring optimal performance in real-world applications.

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Why Choose Mefron?

Turnkey PCB Assembly

At Mefron, you can experience hassle-free PCB assembly as we take care of the entire process, from component sourcing to final assembly.

Inventory Availability

Our extensive inventory includes diverse base materials and components ready to meet your project specifications.

Strategic Global Sourcing Network

We leverage a strategic global sourcing network to procure high-quality components efficiently.

Quick Turnarounds

Our efficient processes ensure quick turnaround times, helping you stay on schedule.

Competitive Pricing

We provide cost-effective solutions without compromising on quality, ensuring great value for your business.

PCBA Support for Prototypes

We offer specialized support for prototypes, helping you refine your designs before full-scale production

Proven Industry Experience

With years of experience in the field, we bring expertise and reliability to every project.

After-Sales Support

Our commitment extends beyond delivery, providing ongoing after-sales support to ensure your satisfaction.

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Frequently Asked Questions (FAQs)

Yes, we have been accredited as an ESC member by the government of India. Apart from this, we have ISO 9001:2015, ISO 14001:2015, IATF 16949:2016, and ISO 13485:2016 certifications.

Typically, any PCB assembly service provider requires Gerber files and a bill of materials (BOM), along with any specific assembly instructions or notes.

The Bill of Materials (BOM) is a comprehensive list of all components required to assemble a printed circuit board (PCB). It typically includes details like part numbers, descriptions, quantities, and often supplier information, serving as a critical reference for sourcing and assembly.

A BOM is crucial for PCB assembly because it ensures that all necessary components are available and correctly accounted for during the assembly process. It helps streamline sourcing and minimizes the risk of missing parts, ultimately leading to smoother production.

We accept BOM files in various formats, including Excel (.xls, .xlsx), CSV (.csv), and plain text (.txt). The format should clearly present all necessary details, such as part numbers, quantities, and descriptions.

Gerber files are the standard format used in PCB manufacturing to describe the layout of the circuit. They provide detailed instructions on the design layers, including copper traces, solder mask, silkscreen, and more, allowing manufacturers to create PCBs accurately.

Gerber files are essential because they convey all necessary information for manufacturing the PCB. They guide the fabrication process, ensuring that the design specifications are accurately translated into the physical board, which is critical for performance and reliability.

Gerber files typically use the .gbr or .ger file extension. Additionally, it is common to provide drill files (e.g., Excellon format) which specify hole locations and sizes. Combining these files helps ensure accurate PCB production.

Yes, we thoroughly review both the BOM and Gerber files before assembly. This ensures that all components are properly accounted for and that the design meets our manufacturing standards, helping to prevent issues during production.

The assembly time varies based on order size and component availability. For small orders with in-stock components, we typically deliver within 1 to 3 days. For larger orders or components that need to be sourced, the turnaround usually ranges between 5 to 15 days or more, depending on the specifics of the project.

Yes, we do provide PCB design support. Additionally, our team can assist with design modifications and optimizations as needed to ensure the best outcome for your assembly.

We have a dedicated global supply chain management (SCM) team that helps us source components from both the domestic market and international suppliers. This includes sourcing from countries such as China, Taiwan, Vietnam, Hong Kong, USA, and other countries to ensure we have access to the best components for your projects.

We serve a diverse range of industries for PCB assembly, including Automotive, Consumer Electronics, IoT, Telecommunication, IT, Medical, Industrial Electronics, Defense, Renewable Energy, and Ports. Our expertise allows us to meet the specific needs of each sector effectively.

Yes, we do provide components depending upon your requirements. Our team can assist in sourcing the specific components you need for your PCBA projects to ensure timely and efficient assembly.

Yes, we do provide electronic manufacturing services like box build assembly, wire harnessing, and cable assembly. We also have a tool room facility and a plastic injection molding machine.

Yes, we provide turnkey solutions to our clients. We source all the components and other materials as per the Bill of Materials (BOM) provided by the client.

Obtain more information by connecting with our experienced staffs.

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079-66111038