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8 Layer Smart Electronic Through Hole PCB Assembly Ru 94v 0 Circuit Board Custom

8 Layer Smart Electronic Through Hole PCB Assembly

♦ 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
		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

♦ 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

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Categories	Through Hole Assembly
Certification:	ISO, UL, IPC, Reach
Place of Origin:	China
MOQ:	1
Price:	Contact us
Payment Terms:	T/T
Delivery Time:	5-30 days
Layer:	8 Layer
Material:	FR4
Board Thickness:	0.2-10mm
Surface Finish:	ENIG/Immersion Gold
Pin Space:	0.25mm
Application:	Smart Electronic