- Industrial control PCB Assembly
- Computer PCB Assembly
- Automotive PCB Assembly
- Medical PCB Assembly
- Consumer Electronics PCB Assembly
- Energy PCB Assembly
- Power Supply PCB Assembly
- Safety & Security PCB Assembly
- Communication PCB Assembly
- Smart Home PCB Assembly
- Aerospace PCB Assembly
- LED PCB Assembly
Switching Power Supply PCB Assembly--STHL-1
Early challenges in switching power supply adoption—such as high-frequency switching noise, unstable voltage output fluctuation, and insufficient power circuit safety isolation—have been overcome by specialized PCB assembly technologies from STHL PCBA, particularly rigid-flex PCBs and high-precision surface mount technology (SMT). As a professional pcb assembly supplier and China pcba manufacturer, our professional circuit board assembly services effectively stabilize high-frequency switching circuit operation, reduce output voltage ripple, and integrate efficient EMI shielding layers to eliminate high-frequency noise interference generated during power conversion. Rigid-flex PCBs processed via our one-stop PCBA manufacturing balance compact miniaturized form factors with stable high-power load capacity, supporting lightweight and high-efficiency switching power supply design without compromising conversion efficiency and operational safety. This technological leap has enabled switching power supply PCB assemblies from our Shenzhen pcba factory to outperform traditional linear power circuits in key areas:
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Superior Signal Integrity
Advanced impedance-controlled routing and ultra-low-loss PCB substrates adopted in our smt circuit board assembly minimize current and signal attenuation during high-frequency switching conversion. Equipped with high-resolution (≥16-bit) voltage sampling and feedback regulation circuits, these custom pcb manufacturer solutions ensure precise constant-voltage and constant-current output, laying the foundation for low-ripple, high-stability power supply operation.
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Versatile Form Factor Adaptability
Compliant with IEC 62368 electronic safety standards and industrial power specifications, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent overcurrent, short circuit and electrical leakage risks. High-temperature resistant flame-retardant materials used in PCB substrates and conformal coatings during our pcb manufacturing and assembly process adapt to long-term high-power heat generation environments, ensuring safety for 24/7 continuous power supply operation.
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Reliable Long-Term Operation
ENIG (Electroless Nickel Immersion Gold) surface finishes and high-temperature resistant conformal coatings (IP67 rating) provide excellent corrosion resistance and thermal stability in our pcba contract manufacturing. Combined with rigorous temperature cycling, high-load aging and vibration testing, our industrial pcb assembly solutions maintain stable power conversion efficiency in harsh industrial and commercial power supply environments.
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Key Applications Across Power Supply Sectors
Switching power supply PCBA technology powered by STHL PCBA manufacturing capabilities provides efficient and stable power conversion support for diverse electronic equipment and industrial control scenarios.
Industrial Control Equipment
Industrial switching power supplies and control cabinet power modules, featuring high-efficiency conversion and overvoltage protection functions, supporting long-term stable operation of industrial automation equipment with our
Smart Home Systems
Smart home integrated power supplies and embedded power modules, adapting to miniaturized installation scenarios via our compactprinted circuit board assembly manufacturing.
Commercial Electronic Devices
Office equipment and commercial terminal power modules, leveraging low-noise circuit design from our turnkey pcba solutions to ensure low-ripple power output and equipment operational stability.
Communication Terminal Equipment
Network communication equipment switching power supplies, supporting high-stability power supply for routers, switches and base stations based on our advanced pcb fab and assembly capabilities.
Why STHL PCBA should be your top choice for your LED PCBA needs?
Let's explore the top 10 reasons why!
Real Factory
STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory，7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines.
Quality Guarantee
We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!
Rich Experience
20+ years of experience in PCB & PCBA field.
Cost Dowm
Professional engineering team supports cost down.
Global Sourcing
500k parts with 100+ agents and suppliers.
No MOQ
No minimum order requests, we accept both prototype and volume quantity orders.
Fully Certified
With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.
NDA
We ensure all of your projects documents security and sign NDA before RFQ.
Intelligent Management
Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.
Fast Delivery
Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.
About STHL PCB & PCBA
Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.
Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.
At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949，ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.
Products Capability
Items |
PCB capacity |
PCB name |
LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance |
Material |
FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc |
PCB type |
Rigid, flexible, rigid-flexible |
Layer NO. |
1, 2, 4, 6, up to 24 layer |
Shape |
Rectangular, round, slots, cutouts, complex, irregular |
Max PCB dimensions |
1200mm*600mm |
Board Thickness |
0.2mm-4mm |
Thickness Tolerance |
±10% |
Min Hole Size |
0.1mm (4 mil) |
Copper Thickness |
0.5 OZ-3OZ (18 um-385 um) |
Copper Plating hole |
18um-30um |
Min Trace Width |
0.075mm (3mil) |
Min Space Width |
0.1mm (4 mil) |
Surface finish |
HASL, LF HASL, Imm Gold, Imm Silver, OSP etc |
Solder mask |
Green, red, white, yellow, blue, black, orange, purple |
Assembly details |
SMT and Thru-hole, ISO SMT and DIP lines |
Testing on products |
Testing jig/mold , X-ray Inspection, AOI Test, Functional test |
Quantity |
Min quantity : 1pcs. Prototype, small order, mass order, all OK |
Products Capability
Files needed |
PCB : Gerber files(CAM, PCB, PCBDOC) |
Components : Bill of Materials(BOM list) | |
Assembly : Pick-N-Place file | |
PCB Panel Size |
Min size : 0.25*0.25 inches(6*6mm) |
Max size : 1200*600mm | |
Components details |
Passive Down to 0201 size |
BGA and VFBGA | |
Leadless Chip Carriers/CSP | |
Double-sided SMT Assembly | |
Fine BGA Pitch to 0.2mm(8mil) | |
BGA Repair and Reball | |
Part Removal and Replacement | |
Component package |
Cut Tape, Tube, Reels, Loose Parts |
PCB+ assembly process |
Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave |
Soldering---Assembling---ICT---Function Testing---Temperature & Humidity |
Digital Innovation
Digital Innovation
Digital Innovation
Digital Innovation
Digital Innovation
Digital Innovation
How to Get Started with STHL
Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started
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Contact Us
Reach out to our sales team via phone, email, or online chat to discuss your project requirements. -
Provide Design Files
Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote. -
Get a Quote
We will provide you with a comprehensive quote, outlining all costs and timelines. -
Production and Delivery
Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.
Make an free consultant
Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.