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Repeater PCB Assembly

Repeater PCB Assembly
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Optical Transceiver PCB Assembly
Optical Line Terminal (OLT) PCB Assembly

Optical Line Terminal (OLT) PCB Assembly
Optical Network Unit (ONU) PCB Assembly

Optical Network Unit (ONU) PCB Assembly
Firewall PCB Assembly

Firewall PCB Assembly
AC-DC Converter PCB Assembly--STHL

AC-DC Converter PCB Assembly--STHL
DC-DC Converter PCB Assembly--STHL

DC-DC Converter PCB Assembly--STHL
Linear Power Supply PCB Assembly--STHL

Linear Power Supply PCB Assembly--STHL
Programmable Power Supply PCB Assembly--STHL

Programmable Power Supply PCB Assembl...
Bench Power Supply PCB Assembly--STHL

Bench Power Supply PCB Assembly--STHL
DoorWindow Sensor PCBA Assembly--STHL.png

Door/Window Sensor PCBA Assembly--STHL

Door/Window Sensor PCBA assembly monitors the opening and closing status of doors and windows, integrating magnetic sensors, signal processing chips, and wireless communication modules. It sends an alarm signal to the user’s mobile phone when an abnormal opening is detected, enhancing home security. We adopt high-sensitivity magnetic sensors and low-power design, ensuring long standby time and reliable operation. Our 2 DIP production lines and strict quality inspection ensure the sensor’s durability and accuracy, adapting to various door and window types, and providing a simple and effective security solution.

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    Door/Window Sensor PCBA Assembly--STHL

    Early challenges in door/window sensor adoption—such as weak open-close signal capture, daily electromagnetic interference (EMI), and insufficient long-standby circuit safety isolation—have been overcome by specialized PCB assembly technologies, particularly rigid-flex PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the sensitivity of analog front-ends for capturing faint door and window switch induction electrical signals, while integrating high-efficiency EMI shielding layers to eliminate interference from indoor household appliances and smart home equipment. Rigid-flex PCBs, in particular, balance ultra-compact slim form factors with reliable instant signal transmission, supporting hidden miniaturized installation of door and window sensors without compromising induction accuracy and alarm response speed. This technological leap has enabled door/window sensor PCBA assemblies to outperform traditional switch sensing circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-noise PCB substrates minimize signal attenuation during the capture and amplification of weak door and window open-close induction signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of switch sensing waveforms, laying the foundation for precise opening and closing state identification, accurate signal feedback and false alarm suppression.

    • Versatile Form Factor Adaptability

      Compliant with IEC 62368 electronic safety standards for smart home devices, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent electrical leakage and static surge risks during ultra-long standby operation. High-insulation, lightweight and adhesive-friendly adaptive materials used in PCB substrates and conformal coatings adapt to various door and window surface installation environments, ensuring safety and stability for long-term unattended monitoring.

    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and dust-proof, anti-aging conformal coatings (IP67 rating) provide excellent oxidation resistance and environmental durability. Combined with rigorous temperature fluctuation, repeated switch impact and long-term standby aging testing, the assemblies maintain stable performance in daily indoor environments and during 24/7 continuous door and window status monitoring.

    Key Applications Across Smart Security Sectors

    Door/window sensor PCBA technology powers real-time door and window status detection, intelligent security alert and smart home linkage control in diverse residential, commercial and public building scenarios.

    Residential Household Security

    Household door and window induction sensors and home security terminals, featuring real-time status detection and abnormal opening alarm functions, integrated with smart home security systems for remote mobile alert and automatic linkage triggering.

    Office & Commercial Building Monitoring

    Commercial office door and window induction devices and building security terminals, built with anti-interference sensing circuits to support off-duty safety monitoring and abnormal state warning for office spaces and commercial venues.

    Apartment & Rental Housing Management

    Rental house door/window monitoring sensors and community safety terminals, leveraging ultra-low-power standby circuit design and high-stability sensing performance for long-term unmanned safety monitoring and access status recording.

    Public Facility Safety Supervision

    Public building, warehouse and corridor door/window sensing terminals, supporting continuous status monitoring and remote data synchronization, providing reliable circuit support for public facility safety management and anti-theft prevention.

    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

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    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

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    Digital Innovation

    APPhored (7)
    01

    Digital Innovation

    DSC_3571
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    Digital Innovation

    Material are (1)
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    Digital Innovation

    第24点图替换组合配图1
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    Digital Innovation

    DIP 1
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    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

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      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.

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