Product Details
Electronic Device Through Hole Assembly Service
♦ What Is Through-Hole Assembly Services?
Through-Hole Assembly Services involve the process of mounting
electronic components onto a printed circuit board (PCB) by
inserting their leads through drilled holes and soldering them to
pads on the opposite side. This method is one of the oldest and
most reliable PCB assembly techniques, often used for components
requiring strong mechanical bonds or high-power
applications.
♦ Key Features of BGA Assembly Services:
1. Component Types
- Traditional Through-Hole Components: Resistors, capacitors,
connectors, transformers, and large ICs.
- Mixed Technology: Some PCBs combine through-hole (THT) and
surface-mount (SMT) components for flexibility.
2. Assembly Process
- Manual or Automated Insertion:
- Manual: Used for prototypes or low-volume production.
- Automated (AI/Auto-Insertion): High-speed machines place
components for mass production.
- Wave Soldering:
- The PCB passes over a molten solder wave, bonding all through-hole
leads at once.
- Hand Soldering (For Rework/Repair):
- Used for delicate components or post-assembly fixes.
3. Advantages of Through-Hole Assembly
- Strong Mechanical Bonds: Ideal for high-stress environments
(e.g., automotive, aerospace).
- Better Heat Dissipation: Suitable for high-power components
(e.g., power supplies).
- Easier Prototyping & Repairs: Components are easier to replace
than SMDs.
4. Challenges
- Slower & More Expensive than SMT due to drilling and soldering
steps.
- Larger Footprint: Not ideal for ultra-compact designs.
♦ Through-Hole vs. Surface-Mount (SMT) Assembly:
Feature | Through-Hole Assembly (THT) | Surface-Mount Assembly (SMT) |
---|
Soldering Method | Wave soldering or hand-soldering | Reflow soldering |
Component Size | Larger, bulkier | Smaller, lightweight |
PCB Space Usage | Requires drilled holes | No holes needed (saves space) |
Strength | High mechanical stability | Less robust (unless glued) |
Cost & Speed | Slower, higher cost | Faster, more cost-effective |
Best For | High-power, high-reliability applications | High-density, compact designs |
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: sales@dqspcba.com
♦ Technical Parameters
PCB Assembly Capability |
Item | Normal | Special |
SMT Assembly | PCB(used 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 |
♦ 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 Profile
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 products include single, double, multi, high frequency,
aluminum base, copper base, FR-4 and other high precision circuit
boards.
We have over 10 years of experience in serving many domestic and
foreign brand customers in a wide range of fields such as Medical,
Automotive, Industrial Automation, Artificial Intelligence, Smart
Home, Security, Power and Communications, etc..
