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Electronic PCB Assembly Power Supply High Quality PCBA
Electronic PCB Assembly Power Supply High Quality PCBA
Specifications
MOQ :
1
Price :
Inquiry Us
Payment Terms :
T/T
Layer :
8 Layer
Material :
FR4
Min. Component Size :
0201
PCB Thickness :
1.0mm
Pin Space :
0.1mm
Testing Method :
Flying Probe, ICT, Functional Test,AOI
Application :
Smart Home
Certifications :
ISO9001, UL, RoHS
Description

Electronic PCB Assembly Power Supply High Quality PCBA


♦ What is Electronic PCB Assembly?


Electronic PCB Assembly, or Printed Circuit Board Assembly (PCBA), is the complete process of mounting and soldering electronic components onto a bare PCB to create a functional electronic circuit. It transforms the fabricated board (with copper traces and pads) into a working module ready for integration into devices.


Key Stages of PCB Assembly:

  1. Component Sourcing
    Procuring certified parts (resistors, ICs, connectors, etc.) from suppliers, often with traceability for quality control.
  2. Solder Paste Application
    A stencil printer applies solder paste (a mix of flux and tiny solder balls) precisely onto pads where components will sit.
  3. Pick-and-Place
    High-speed robotic machines place components onto the paste-covered pads, using optical alignment for micron-level accuracy (e.g., 0201 resistors, BGA chips).
  4. Reflow Soldering
    The board passes through a controlled oven with temperature zones (preheat, thermal soak, reflow, cooling) to melt the paste, forming permanent joints. Lead-free solder (e.g., SAC305) requires higher temperatures (240–250°C).
  5. Inspection & Testing
    • AOI (Automated Optical Inspection): Cameras detect misaligned parts, solder bridges, or missing components.
    • X-ray: Checks hidden joints (e.g., BGAs).
    • ICT (In-Circuit Test): Probes test electrical continuity, resistance, and component values.
    • Functional Test: Validates the board under real-world conditions (e.g., firmware loading, signal integrity).
  6. Through-Hole Assembly (if needed)
    For components like electrolytic capacitors or connectors, manual or wave soldering inserts leads through drilled holes.
  7. Conformal Coating & Final Assembly
    Protective coatings (e.g., acrylic, silicone) shield against moisture/dust. Boards may then be integrated into enclosures with cables, heat sinks, etc.



♦ DQS's PCB Assembly Capability


Item

Normal

Special

SMT

Assembly

PCB(for SMT)

specification

Length and

Width( L* W)

Minimum

L≥3mm, W≥3mm

L＜2mm

Maximum

L≤800mm, W≤460mm

L ＞ 1200mm,

W＞500mm

Thickness( T)

Thinnest

0.2mm

T＜0.1mm

Thickest

4 mm

T＞4.5mm

SMT components

specification

Outline Dimension

Min size

0201(0.6mm*0.3mm)

01005(0.3mm*0.2mm)

Max size

200 * 125

200 * 125

component thickness

T≤15mm

6.5mm＜T≤15mm

QFP,SOP,SOJ

(multi pins)

Min pin space

0.4mm

0.3mm≤Pitch＜0.4mm

CSP/ BGA

Min ball space

0.5mm

0.3mm≤Pitch＜0.5mm

DIP

Assembly

PCB specification

Length and Width

( L* W)

Minimum

L≥50mm,

W≥30mm

L＜50mm

Maximum

L≤1200mm,

W≤450mm

L≥1200mm,

W≥500mm

Thickness( T)

Thinnest

0.8mm

T＜0.8mm

Thickest

3.5mm

T＞2mm




♦ One-Stop Electronic Manufacturing Including


PCB Prototype

Quick Turn PCB

Single-Sided PCB

Double-Sided PCB

Multilayer PCB

Rigid PCB

Flexible PCB

 Rigid-Flex PCB Rigid-Flex PCB Aluminum PCB Metal Core PCB

Thick Copper PCB

HDI PCB

 BGA PCB High TG PCB PCB Stencil Impedance Control PCB

PCB Assembly
High-Frequency PCB Bluetooth Circuit Board Automotive PCB USB Circuit Board Halogen-Free PCB

Antenna PCB



♦ Core Competencies of DQS PCB Assembly


SMT

Electronic PCB Assembly Power Supply High Quality PCBA

 DIP

Electronic PCB Assembly Power Supply High Quality PCBA
  • 13 automatic high-speed SMT line
  • 5 million points / day
  • FPC/Double sided mounted
  • Automatic conformal coating
  • 4 DIP line
  • Post-soldering700,000 points/day
  • Professional DIP plug-in team
Electronic PCB Assembly Power Supply High Quality PCBA SMT Technology Electronic PCB Assembly Power Supply High Quality PCBA PCBA OEM
  • Min package: 01005
  • Min pin: 0.3mm
  • Min BGA pitch: 0.3 mm


  • Full turnkey PCB assembly
  • Partial turnkey PCB assembly




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Electronic PCB Assembly Power Supply High Quality PCBA

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Product Detail
MOQ :
1
Price :
Inquiry Us
Payment Terms :
T/T
Layer :
8 Layer
Material :
FR4
Min. Component Size :
0201
Contact Supplier
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Electronic PCB Assembly Power Supply High Quality PCBA

DQS Electronic Co., Limited

Verified Supplier
1 Years
shenzhen
Business Type :
Manufacturer
Main Products :
PCB Manufacturing, PCB Prototype, SMT Assembly
Employee Number :
>800
Certification Level :
Verified Supplier
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