DIP SMT PCB Assembly Service 4 Layer Prototype PCB Fabrication FR4 Circuit Board
The difference between SMT and DIP
SMT is usually installed on the surface of components without pins or short leads. It needs to first print solder paste on the circuit board, and then mount it through the patch machine, and then fix the device by reflow welding. Dip welding is a type of in-line package that is fixed by wave soldering or hand welding.
DIP Package (Dualln-ine Package), also known as dual-in-line package technology, refers to the use of dual-in-line package of integrated circuit chips, the vast majority of small and medium-sized integrated circuits are in this form of packaging, the number of pins generally does not exceed 100DIP package CPU chip has two rows of pins, It needs to be plugged into a chip socket with a DIP structure.
Both SMT and DIP are part of PCBA processing, but not all PCBA plants have SMT and DIP post welding capabilities, and the processing quality is uneven. When choosing a PCBA factory to cooperate with, it is recommended to visit the factory site to see the personnel technology, processing equipment, and overall environment of the PCB factory.
PCB assembly requires knowledge of more than just PCB components and assembly; It also requires expertise in printed circuit board design, layout, PCB manufacturing, and end-product applications.
Shenzhen Sky-Win is a one-stop PCBA service provider - Our current focus on the PCBA one-stop supplier schematic design, software development, PCB Layout, a full set of material purchasing, SMT+DIP manufacturing, board direct supply and other OEM/ODM services.
PCB Assembly Technical Capabilities
| Article | Description | Capability |
| Sercive | PCB and SMT assembly with one-stop service |
| Files we need | PCB: Gerber files(CAM, PCB, PCBDOC) |
| Components: Bill of Materials(BOM list) |
| Assembly: Pick-N-Place file |
| Material | Laminate materials | FR4, high TG FR4, high frequency, alum, FPC |
| Board cutting | Number of layers | 1-32 |
| Min.thickness for inner layers | 0.003”(0.07mm) |
| (Cu thickness are excluded) |
| Board thickness | Standard | (0.1-4mm±10%) |
| Min. | Single/Double:0.008±0.004” |
| 4layer:0.01±0.008” |
| 8layer:0.01±0.008” |
| Bow and twist | 7/1000 |
| Copper weight | Outer Cu weight | 0.5-4 0z |
| Inner Cu weight | 0.5-3 0z |
| Drilling | Min size | 0.0078”(0.2mm) |
| Drill deviation | ±0.002″(0.05mm) |
| PTH hole tolerance | ±0.002″(0.005mm) |
| NPTH hole tolerance | ±0.002″(0.005mm) |
| Solder mask | Color | Green,white,black,red,blue… |
| Min solder mask clearanace | 0.003″(0.07mm) |
| Thickness | (0.012*0.017mm) |
| Silkscreen | Color | white,black,yellow,blue… |
| Min size | 0.006″(0.15mm) |
| E-test | Function Test | 100% Functional test |
| PCBA Testing | X-ray,AOI Test,Functional test |
| Pcb assembly | one-stop service electronic manufacxturer service |
| Component sourcing | Yes |
| Certificate | IATF16949,ROHS,UL |
| Delivery time: | PCB | 3-12days |
| PCBA | 8-20days |
| Tolerance of pcb | ±5% |
| Max size of finish board | 450*450mm |
| MOQ | NO MOQ (1pcs) |
| Surface Finish | HASL,ENIG,immersion silver,immersion tin,OSP… |
| PCB outline | Square,circle,irregular(with jigs) |
| package | QFN,BGA,SSOP,PLCC,LGA |
| Sub-assembly | Plastic,metal,screen |
Why Sky-win is an Excellent PCB Assembly Manufacturer?
1. Sky-win has high quality manufacturing capability: An excellent PCB assembly manufacturer should have high quality manufacturing capability to ensure the quality and reliability of PCBs.
2. Sky-win has good production process: There are good production process and standard operation procedures to ensure that every step of operation is strictly executed according to the requirements, thus reducing errors and defects in production.
3. Sky-win has excellent equipment and technology: We have advanced manufacturing equipment and technology to meet the needs of different PCBs, and we have certain technical strength and R&D capability.
4. Sky-win has excellent customer service: we are able to respond to customers' needs in a timely manner and provide excellent service and support, including pre-sales, in-sales and after-sales services.
5.Sky-win has reasonable price: provide reasonable price and cost-effective products, so that customers can reach a balance point between price and quality.
6. Sky-win keeps improving: constantly reviewing and improving itself and actively introducing new technologies, new techniques and new equipments to keep the competitiveness in the market.
To sum up, Sky-Win is an excellent PCB assembly manufacturer.
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