Mid and High-End PCB Assembly Manufacturer - PCBONLINE

"PCBONLINE is a PCB assembly contract manufacturer. We provide prototype assembly, bulky PCB assembly, component sourcing, conformal coating, IC programming, and box-built."
PCB assembly manufactur

PCB Assembly Manufacturing Capabilities

PCB assembly services

Applications of PCB Assemblies from PCBONLINE

  • ● PCB assemblies are semi-manufactured goods and play the key functions in most electronic devices
  • ● PCBA manufacturing that follows IPC-A-610 Class 1 serves general and consumer electronics
  • ● PCBA manufacturing that follows IPC-A-610 Class 2 serves communication, industrial electronics, and complex commercial devices that require a long lifespan
  • ● PCBA manufacturing that follows IPC-A-610 Class 3 serves medical electronics, aerospace/aviation controllers, precision instruments, and high-reliability devices that work in harsh environments
  • ● Aluminum, ceramic, and copper-based PCB assemblies are used for electronic devices that require much thermal dissipation
  • ● Rigid-flex and flexible PCB assemblies can be used for electronic devices that have a compact space and require flexibility, such as mobile phones, laptops, satellites, gastroscopies, and batteries/sensors/cameras/switches in cars
Specifications
PCBONLINE's PCB Assembly Capabilities

PCB assembly standard

IPC-A-610 Class 2/3

PCB assembly quantity

From 1 to 10,000+

Finest pitch

0.35mm

Maximum board size

1200mm × 370mm

Minimum board size

50mm × 50mm

Maximum rectangular part size

50mm × 150mm

Maximum square part size

74mm × 74mm

Maximum component height

25mm

PCB thickness

0.3mm to 4mm

Minimum SMD package

01005 (0.4mm × 0.2mm)

PCB assembly services

SMT, THT
electronic component sourcing
conformal coating
IC programming
functional jig test (free for bulky production)
burn-in test
box-built

Free support/services

Gerber and BOM check and improvement
complete PCBA sample (free for bulky production)
first article test
DFM, DFT, DFX
seeking alternative components

On-line PCBA tests

3D solder paste inspection (SPI)
X-ray for ball grid arrays (BGA)
3D automatic optical inspection (AOI)
Visual inspection

Advantages of the One-Stop PCB Assembly Manufacturer PCBONLINE

Our PCBA factory is well-equipped for SMT assembly, THT assembly, testing, and value-added EMS services
0.35mm fine-pitch, µBGA, and flip-chip PCB assembly capabilities
Mid and high-end PCBA manufacturing for medical, aerospace, defense, automotive, industrial, and high-performance consumer electronics
Provide one-on-one engineering support, free DFM, DFT, DFX, and first article test to make sure the high quality of your PCBAs
Besides PCB assembly, we also provide component sourcing, IC programming, conformal coating, functional testing, and box-built
For small-batch urgent and complex PCBA orders, we can get into two-shift work to deliver goods in time

PCB Assembly Certifications

PCB Assembly Certifications

How to Order PCB Assembly from PCBONLINE

  • Currently, our online quote system doesn't support sending bills of materials (BOM). To order PCB assemblies, please register on PCBONLINE, upload your Gerber/IPC-2581, and send your BOM and pick-and-place file to us at info@pcbonline.com. Or you can send your Gerber/IPC-2581, BOM, pick-and-place file, and your detailed requirements to info@pcbonline.com. If you need IC programming, please tell us the software and send or let us buy the cable adapter.
  • When we receive your request, we will review your documents and give you a quote. You will have a one-on-one sales manager and engineer to follow you up throughout the project.
  • The PCBs and SMT stencils will be manufactured in our PCB manufacturing bases; the electronic components will be sourced from original factories and authoritative suppliers audited and have long-term cooperation with our EMS factory. The PCBs will be mounted with electronic components and value-added at our EMS factory in Shenzhen.
  • In shipping, FedEx, UPS, and DHL are available. We have collaboration with FedEx, and sea shipping is very cheap.

PCB Assembly Services from PCBONLINE

conformal coating for PCB assembly
At PCBONLINE's EMS factory, below PCB assembly services are available:
SMT assembly: PCBs are surface-mounted with SMDs, reflow-soldered, and AOI tested. At PCBONLINE, reflow soldering is lead-free, and the AOI scanning is 3D that can scan all possible surface defects.
THT assembly: PCBs are through-hole mounted with long-pin components and wave-soldered. At PCBONLINE, we use the German Ersa selective wave soldering machines.
First Article Test: before bulky PCBA manufacturing, we manufacture five PCBAs first and randomly pick one piece to test every electronic component. The component value must be within the allowed value range. After the test, we generate a FAT report for you to review. When we receive your approval, we will start bulky PCBA manufacturing.
Conformal coating: PCBAs are coated with urethane/polyurethane to protect the boards from dust, moisture, chemical, vibration, and high temperatures and lengthen the lifespan. At PCBONLINE, we adopt the electrostatic spraying method for conformal coating, which achieves the best flatness.
IC programming: IC programming means downloading a program into the ICs after they are mounted on PCBs. At PCBONLINE, we won't collect your program information. If you want, we can buy a temporary Aliyun account for you to upload your program, and we can only transfer it to the ICs without downloading it to our computer.
Functional test: PCBAs are put on a jig one-by-one to test the power-on effect. At PCBONLINE, the functional test cost is only $0.075 per piece. If you order bulky PCBA manufacturing, the functioal test is free.
Burn-in test: a burn-in test is also called a thermal aging test, which means letting the PCBAs continuously work for 48 to 168 hours to detect failures and ensure reliability. At PCBONLINE, we conduct the burn-in test in a programmable temperature chamber.
Box-built: box-built means making the box and assembling the PCBAs to be the end products. PCBONLINE is an EMS manufacturer, and box-built is one of the value-added services we offer.

On-line Tests to PCBAs from PCBONLINE

  • On-line PCBA tests refer to the tests happening on the SMT assembly lines and THT assembly lines. At PCBONLINE, sequentially they are:
  • SPI: when the PCB panels are screen printed with solder paste, before the electronic components are picked and placed on the panels, we use an SPI machine to test the solder paste shapes and thickness. The solder paste shapes must be compliant with the required pads' requirements. The solder paste thickness must fall within the range of ±0.03mm of the SMT stencil thickness.
  • X-ray: if PCBs are mounted with BGAs, after the pick-and-place, they should be x-ray scanned before reflow soldering. An X-ray machine is used to inspect connections between the PCB and BGAs to ensure quality.
  • AOI: in an AOI machine, an infrared camera scans the PCB/PCBA surface to detect failures and defects, such as missing components and component skew. At PCBONLINE, an AOI happens during both PCB and PCBA manufacturing. On an SMT line, it is implemented after reflow soldering.
  • Visual inspection: on the SMT and THT lines, a few inspectors examine the board and components using only their naked eyes. They are trained and know what to look for. At PCBONLINE, a visual inspection happens before reflow soldering and after wave soldering.

We are solution experts to PCB Assembly projects
Contact our team here

best PCB assembly company

Hear from Our Clients

"The PCB assembly quality of PCBONLINE is very good, and the soldering level of 01005 surface-mount devices is proficient. The business department and the production department cooperated vigorously to ensure the quality and delivery time of this batch of motherboards. We are very satisfied with this cooperation. We look forward to more surprises from PCBONLINE in the future."
Alberto Tessaro/Project Manager

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