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Shenzhen KAZ Circuit Co., Ltd

 

One Stop Service-PCB & Component Sourcing & PCB Assembly

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how to soldering components onto a PCB during printed circuit assembly

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We are very satisfied wtih you guys. Quick response, professional engineering team, fast delivery, good quality... all are nice. I am sure we can have much more business in the future.

—— Kevin Kinder

End customers were satisfied with the quality, so did I for the past years. Have recommended you to my other friends that have needs in PCBA.

—— Mariusz Sharp

Thanks for help my small business grows up step by step,for prototypes to small, medium & large orders, you will be my first choice for PCB anytime.

—— Adam Burridge

Good price, fast lead and delivery time, shipping cost is quite good! Our company is satisfied with your good service for the last 4 years!

—— Luboš Herceghová

Hello good afternoon. I received the 80 pcs PCB. Thank you. I like so much that. That is good qualtiy, nice color. Pls take care of the remaining 80 pcs PCB. Thank you. Have a nice day. :)

—— Alice Yoon

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Custom PCB Assembly

  • High Precision Custom PCB Assembly suppliers

Custom PCB Assembly.

 

1. Introduction

 

We produce full assembly PCB circuit boards according to customer's design (Gerber File & BOM list). Including PCB production, component sourcing, and SMT/DIP.

 

We has state-of-the-art assembly plants that allow us to follow your project through every step of the assembly process. We handle all types of pcb assembly, from basic thru hole PCB assembly to standard surface mount PCB assembly to ultra-fine pitch BGA assembly. Our engineers work with customers from across all fields including telecommunications, aviation, consumer electronics, wireless, medial, automotive and instrumentation.

 

 

2. Capavity

 

SMT Position accuracy:20 um
Components size:0.4×0.2mm(01005) —130×79mm,Flip-CHIP,QFP,BGA,POP
Max. component height::25mm
Max. PCB size:680×500mm
Min. PCB size:no limited
PCB thickness:0.3 to 6mm
PCB weight:3KG
Wave-Solder Max. PCB width:450mm
Min. PCB width: no limited
Component height:Top 120mm/Bot 15mm
Sweat-Solder Metal type :part, whole, inlay, sidestep
Metal material:Copper , Aluminum
Surface Finish:plating Au, plating sliver , plating Sn
Air bladder rate:less than20%
Press-fit Press range:0-50KN
Max. PCB size:800X600mm
Testing ICT,Probe flying,burn-in,function test,temperature cycling
 

how to soldering components onto a PCB during printed circuit assembly

how to soldering components onto a PCB during printed circuit assembly
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Product Details:

Place of Origin: Shenzhen China
Brand Name: Null
Certification: IATF16949-2016 | ISO9001 2015 | UL 337072 | ROHS
Model Number: DLP_U205A_V1 PCB

Payment & Shipping Terms:

Minimum Order Quantity: 1pc
Price: Negotiation
Packaging Details: Vacuum bag&anti-static bag
Delivery Time: 8-10days
Payment Terms: T/T, Western Union;Paypal
Supply Ability: 100000pcs/month
Detailed Product Description
PCB Material: FR4 Spec: As Per Customer Gerber Files
Layers: 4Layers Board Thickness: 0.8-1.6mm
Surface Finish: ENIG 1-2U" Quality Standard: IPC Class 2 Or 3

Surface Mount Technology (SMT): Surface mount technology is a widely used method in printed circuit assembly. It involves placing surface-mount components directly onto the PCB's surface, eliminating the need for through-hole components and allowing for higher component density and smaller PCB sizes. SMT components are typically smaller, lighter, and offer better electrical performance.

Through-Hole Technology (THT): While surface mount technology is prevalent, through-hole technology is still used in certain applications, especially for components that require robust mechanical connections or high-power handling capabilities. Through-hole components have leads that pass through holes drilled in the PCB, and they are soldered on the opposite side. THT components provide mechanical strength and are suitable for applications with higher mechanical stresses.

Automated Assembly: To improve efficiency and accuracy, many printed circuit assembly processes utilize automated equipment. Automated pick-and-place machines are used to precisely position surface-mount components onto the PCB. These machines can handle high volumes, improve placement accuracy, and reduce assembly time compared to manual assembly methods.

Design for Assembly (DFA): Design for Assembly is an approach that focuses on optimizing the PCB design to ensure easy and efficient assembly. DFA principles include minimizing the number of unique components, reducing the number of assembly steps, and optimizing the component placement to minimize the risk of errors or defects during assembly.

In-Circuit Testing (ICT): In-circuit testing is a common method used to verify the electrical integrity and functionality of the assembled circuit. It involves the use of specialized test probes to measure voltages, currents, and other parameters at various points on the PCB. ICT can quickly identify open circuits, short circuits, or component failures, ensuring that the assembled circuit meets the required specifications.

Functional Testing: Functional testing is performed to ensure that the assembled circuit operates as intended and meets the desired performance criteria. It involves applying inputs and checking the outputs to verify the functionality and performance of the circuit under normal operating conditions. Functional testing can be done manually or using automated test equipment, depending on the complexity of the circuit and the test requirements.

Quality Control: Quality control is essential in printed circuit assembly to ensure that the final product meets the required standards. It involves various inspection and testing processes at different stages of assembly, including visual inspection, automated optical inspection (AOI), X-ray inspection, and electrical testing. Quality control measures help identify and rectify any defects or issues, ensuring that the assembled circuit meets the desired quality and reliability.

By following best practices in printed circuit assembly and implementing quality control measures, manufacturers can produce high-quality electronic systems that meet customer requirements and industry standards.

 

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What KAZ Circuit can do for you:

  • PCB Fabrication (prototype, small to medium, mass production)
  • Components Sourcing
  • PCB Assembly/SMT/DIP
  • Box building and testing

To get a full quotation of the PCB/PCBA, pls provide the information as below:

  • Gerber File, with detail specification of the PCB
  • BOM List (Better with excel fomart)
  • Photoes of the PCBA (If you have produced this PCBA before)

Company Informaiton:
 

KAZ Circuit has been operating as a manufacturer of PCB&PCBA since 2007. specialized in quick-turn manufacturing of prototypes and small to middle volume series of rigid, flex, rigid-flex and multilayer boards.

as well as aluminium substrate circuit board.we have a strong strength on fabrication of Roger board, MEGTRON MATERIAL board and 2&3 steps HDI boards and etc.

Beside with six SMT production lines and 2 DIP lines.we provide one-stop service to our customers as well.



Manufacturer Capacity:

Capacity Double Sided: 12000 sq.m / month
Multilayers: 8000sq.m / month
Min Line Width/Gap 4/4 mil (1mil=0.0254mm)
Board Thickness 0.3~4.0mm
Layers 1~30 layers
Material FR-4, Aluminum, PI,MEGTRON MATERIAL
Copper Thickness 0.5~4oz
Material Tg Tg140~Tg170
Max PCB Size 600*1200mm
Min Hole Size 0.2mm (+/- 0.025)
Surface Treatment HASL, ENIG, OSP


 

Contact Details
Shenzhen KAZ Circuit Co., Ltd

Contact Person: Stacey Zhao

Tel: +86 13392447006

Fax: 86-755-85258059

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