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SMT PCB Assembly Services
Order bare PCB fabrication, component sourcing and SMT assembly from one supplier. YC PCB supports prototypes, pilot runs and repeat production with automated placement, reflow soldering, AOI, X-Ray and project-specific functional testing.
SMT Assembly for Prototype and Production Orders
YC PCB supplies complete SMT PCBA for compact and high-density electronics. Procurement teams can combine PCB fabrication, component sourcing, automated assembly, inspection, testing and shipment under one order.
Compact and High-Density PCBA
Suitable for low-profile SMD components, dense IC layouts and products that require repeatable automated assembly.
Automated Placement and Reflow
Solder paste printing, programmed pick-and-place and controlled reflow improve consistency across repeat orders.
BOM and Component Sourcing
Part numbers, packages, polarity, lifecycle status, approved substitutes and supply risks are checked before order release.
AOI, X-Ray, ICT and FCT
Inspection and testing are matched to visible joints, hidden packages and the finished board acceptance requirements.
SMT Assembly Options for Your BOM and Board Design
Select standard SMT, fine-pitch BGA/QFN assembly or mixed SMT and through-hole production according to your component packages, mechanical requirements and test plan.
Surface Mount Assembly
Automated assembly for SMD resistors, capacitors, ICs, LEDs, connectors and compact electronic modules.
BGA / QFN / Micro-BGA
Fine-pitch package assembly with footprint confirmation, controlled reflow and X-Ray inspection for hidden solder joints.
SMT + THT Assembly
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Manufacture the PCB using the confirmed material, copper weight, surface finish and panelization.
Stencil and Solder Paste
Apply controlled solder paste deposits to PCB pads using the approved stencil parameters.
Automated Component Placement
Place SMD components according to the approved centroid data, rotation and package information.
Reflow, Inspection and Test
Complete controlled reflow, AOI, X-Ray, ICT, FCT and final release checks as specified.
Control the Main Sources of SMT Assembly Defects
Solder paste volume, component orientation, package sensitivity and reflow temperature directly affect assembly yield. These controls are confirmed before the order enters the SMT line.
Solder Paste Control
Stencil aperture, paste volume and fine-pad printing are controlled before automated component placement.
Inspection Route
AOI, X-Ray, ICT and functional testing are selected according to package type and buyer acceptance criteria.
Information Required for an Accurate SMT Quote
Accurate pricing depends on component packages, supply format, polarity, special handling, test coverage and order quantity—not only PCB size. Complete files reduce quotation changes after order placement.
| Item | Production Consideration | Required Information |
|---|---|---|
| SMD Components | Package type, polarity, placement density and automated assembly suitability. | BOM with manufacturer part number and package. |
| Placement Data | XY position, rotation, board side, polarity and reference designator must match the assembly drawing. | Pick-and-place / centroid file. |
| BGA / QFN | Fine-pitch packages require correct land pattern, controlled reflow and hidden-joint inspection. | Package datasheet and assembly drawing. |
| Component Feeding | Feeder setup and handling depend on tape-and-reel, tray, tube, cut tape or loose-part supply. | Component supply method or sourcing request. |
| Testing Need | Inspection, programming and functional testing must be defined before production planning. | Test procedure, fixture notes or acceptance standard. |
Complete BOM Prevents Production Delays
Provide manufacturer part numbers, packages, approved alternatives and supply preferences so component sourcing and feeder preparation can be completed before assembly.
Quality Checks Before Your PCBA Is Released
Each order receives inspection coverage based on its component packages and acceptance requirements. Visible joints, hidden joints, electrical connections and finished functions can be checked before shipment.
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Verifies component presence, position, polarity and visible solder joint quality after reflow.
X-Ray Inspection
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Tüketici Elektroniği
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Endüstriyel Kontrol
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LED drivers, LED control boards, aluminum PCB modules and lighting electronics.
Communication Modules
High-density PCBA requiring compact routing, repeatable assembly and defined inspection records.
Otomotiv Elektroniği
SMT and mixed assembly for vehicle control, sensing and lighting-related modules.
Power Boards
Power supply modules, converters, interface boards and high-current control PCBA.
IoT Hardware
Sensor boards, wireless modules, smart hardware and connected device PCBA.
OEM / ODM Projects
PCB fabrication, component sourcing, assembly, programming, testing and optional box-build support.
Select SMT, THT or Mixed Assembly for Your Product
The assembly route is selected according to component type, mechanical load, soldering sequence and test access. Mixed assembly is used when one board includes both SMD and through-hole parts.
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | Best For | Required Files and Notes | Recommended Purchasing Route |
|---|---|---|---|
| SMT Assembly | Compact SMD components, ICs, LEDs, BGA/QFN, high-density PCBA. | BOM, centroid file, polarity, package, stencil and testing need. | Turnkey SMT PCBA quotation |
| THT / DIP Assembly | Connectors, switches, transformers or parts needing stronger mechanical connection. | Hole size, lead length, wave/selective/manual soldering route. | THT or mixed-assembly quotation |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | Boards that combine SMD components with plug-in parts or final wiring. | Assembly sequence, thermal limits, fixture, testing and packing plan. | Complete mixed-PCBA quotation |
Send These Files for an SMT Assembly Quote
Provide a complete manufacturing package so YC PCB can quote the PCB, components, assembly, testing and delivery route without avoidable revisions.
Send Your SMT Assembly Requirements
Submit your contact details and PCBA requirements through our quick inquiry form. For Gerber files, BOM, pick-and-place data, assembly drawings or other attachments, email them directly to our engineering team.
E-posta: sales@ycelectronic.com
Related PCBA Services for Complete Procurement
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LED Light PCBAcURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits.
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Yes. SMD assembly is suitable for compact control boards, LED modules, communication hardware, industrial electronics, power boards, sensors and smart devices.
Can you assemble BGA, QFN or Micro-BGA packages?
YC PCB supports BGA, QFN and Micro-BGA assembly when the land pattern, package data, reflow requirements and X-Ray inspection scope are confirmed.
Do you provide mixed SMT and through-hole assembly?
Yes. Mixed assembly is available for boards combining SMD components with connectors, switches, transformers and other through-hole or DIP parts.
How do you check SMT assembly quality?
Quality checks can include AOI, X-Ray inspection for hidden joints, electrical testing, ICT, FCT, programming and buyer-specified functional testing.
Can you source components for SMT PCBA?
Yes. YC PCB can source components through approved supply channels, manage buyer-approved alternatives and confirm package, lifecycle and availability before assembly.
Can you confirm my BOM before production?
Yes. BOM confirmation covers manufacturer part number, package, polarity, lifecycle status, supply risk and buyer approval for any proposed alternative.
Is SMT assembly suitable for LED PCBA?
Yes. SMT assembly is commonly used for LED PCBA, LED control boards, driver boards and aluminum PCB modules when LED polarity, thermal design and test requirements are confirmed.
Can you sign an NDA for my SMT PCBA project?
Yes. NDA arrangements can be discussed before Gerber, BOM, firmware or product design files are shared.
Send Gerber, BOM and Placement Files for a Complete Quote
Receive one quotation covering PCB fabrication, component sourcing, SMT or mixed assembly, inspection, testing, packing and delivery requirements.
One Supplier from Bare PCB to Tested PCBA
Coordinate PCB fabrication, parts procurement, SMT assembly, inspection, functional testing and shipment through one production order.
Send Your SMT Assembly Requirements
Tell us what you need. For Gerber files, BOM, pick-and-place data, assembly drawings, firmware or other attachments, email them directly to sales@ycelectronic.com after submitting this form.
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