Electronic PCB Assembly Power Supply High Quality PCBA

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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

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Product Specification


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
High Light	Electronic PCB Assembly power supply ，High quality PCBA board ，Power supply PCBA assembly

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:

Component Sourcing
Procuring certified parts (resistors, ICs, connectors, etc.) from suppliers, often with traceability for quality control.
Solder Paste Application
A stencil printer applies solder paste (a mix of flux and tiny solder balls) precisely onto pads where components will sit.
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).
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).
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).
Through-Hole Assembly (if needed)
For components like electrolytic capacitors or connectors, manual or wave soldering inserts leads through drilled holes.
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
		Length and Width( L* W)	Maximum	L≤800mm, W≤460mm	L ＞ 1200mm, W＞500mm
		Thickness( T)	Thinnest	0.2mm	T＜0.1mm
		Thickness( T)	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
		Length and Width ( L* W)	Maximum	L≤1200mm, W≤450mm	L≥1200mm, W≥500mm
		Thickness( T)	Thinnest	0.8mm	T＜0.8mm
		Thickness( T)	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		DIP
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
	SMT Technology		PCBA OEM
	Min package: 01005 Min pin: 0.3mm Min BGA pitch: 0.3 mm		Full turnkey PCB assembly Partial turnkey PCB assembly

Company Details

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Business Type:

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Employee Number:

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Ecer Certification：

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DQS Electronic is located in Shenzhen, focusing on PCB Layout Design, PCB Fabrication, Electronic Components Sourcing, SMT, PCB Assembly and Testing. We are a one-stop EMS electronic manufacturing company committed to providing global customers with rapid prototyping and mass production. Our produ... DQS Electronic is located in Shenzhen, focusing on PCB Layout Design, PCB Fabrication, Electronic Components Sourcing, SMT, PCB Assembly and Testing. We are a one-stop EMS electronic manufacturing company committed to providing global customers with rapid prototyping and mass production. Our produ...

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DQS Electronic Co., Limited
Yasen Industrial Park, Baolong Street, Longgang District, Shenzhen
https://www.pcbs-board.com/

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