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A Prototype PCB is an early sample of a Printed Circuit Board (PCB) built specifically to test and validate the design before full-scale production. It’s essentially a working model used to check:
Electrical functionality
Component placement and fit
Signal integrity
Thermal performance
Manufacturing feasibility
These boards are typically made in small quantities—often just a few units—using faster and more cost-effective manufacturing processes, like:
Quick-turn PCB fabrication
Lower-grade materials (e.g., FR-4 instead of high-frequency laminates)
Simplified surface finishes (e.g., HASL instead of ENIG)
Prototype PCBs are crucial in product development cycles, especially in electronics R&D, IoT, robotics, and consumer electronics, where iterating quickly and catching design flaws early can save significant time and money.
♦ What is Multilayer PCBA?
A Multilayer PCBA (Printed Circuit Board Assembly) is a fully assembled board that contains three or more conductive copper layers separated by insulating material (prepreg/core) and laminated together under heat and pressure. Unlike a bare multilayer PCB, the PCBA includes all components soldered onto the board, making it a functional electronic module.
Assembly: Components (ICs, resistors, capacitors, connectors, etc.) are mounted via SMT and/or THT.
Interconnects: Blind/buried vias, microvias, and plated through-holes enable dense routing.
Applications: Smartphones, servers, aerospace, medical devices—any compact, high-speed design.
♦Types of PCB Assembly Services:
Turnkey PCB Assembly: Full service (PCB fabrication + component sourcing + assembly).
Partial (Consignment) Assembly: Customer provides components; the assembler handles soldering.
Prototype Assembly: Low-volume assembly for testing designs.
High-Volume Production: Mass production for commercial devices.
DQS Electronic Group is one of the leading EMS company in China, we provide PCB design, PCB manufacturing, PCB assembly service and testing. Welcome send us your Gerber file to get free quotation. Our email: info@dqspcba.com
♦Technical Parameters
PCB Assembly Capability
Item
Normal
Special
SMT
Assembly
PCB(used for SMT)
specification
Lengthand 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
4mm
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
PCBspecification
Lengthand 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
♦ Application Fields
PCBA Prototype
Industrial Control PCBA
Telecom PCBA
Medical PCBA
Automotive PCBA
Consumer Electronic PCBA
LED PCBA
Security PCBA
♦ Advantages of DQS Team
On-time Delivery:
Owned PCBA factories 15,000 ㎡
13 fully automatic SMT lines
4 DIP assembly lines
2. Quality Guaranteed:
IATF, ISO, IPC, UL standards
Online SPI, AOI, X-Ray Inspection
The qualified rate of products reach 99.9%
3. Premium Service:
24H reply your inquiry
Perfect after-sales service system
From prototype to mass production
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Employee Number:
>800
Ecer Certification:
Verified Supplier
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...