Electronics & Electrical

STM32F103C8T6TR Microcontroller – Quick Overview The STM32F103C8T6TR is a high-performance microcontroller from STMicroelectronics, based on the ARM Cortex-M3 processor. It can run at up to 72 MHz and comes with a good mix of memory, peripherals, and low-power options, making it great for embedded systems, IoT gadgets, and robotics projects. Main Features CPU: ARM Cortex-M3, fast and efficient, supports hardware multiplication and division. Memory: 64 KB or 128 KB Flash for program storage, 20 KB SRAM for working data. Power Management: Sleep, Stop, and Standby modes for low-power operation VBAT pin to keep the real-time clock running when main power is off Peripherals: Timers: 7 channels for PWM, scheduling, and counting 12-bit ADCs for reading analog sensors SPI, I2C, USART, and USB for communications DMA controller to move data efficiently Up to 80 GPIO pins for input/output tasks CRC unit for data checking Debug support via SWD/JTAG Package & Pins Package: 48-pin LQFP (compact and easy to solder) Power: VDD/VDDIO Reset: RST pin Comms: USB, SPI, I2C, UART GPIOs: Can be configured for LEDs, buttons, sensors, or custom peripherals Always check the datasheet for exact pin assignments when connecting devices. Who Makes It STMicroelectronics is a global semiconductor company, well-known for reliable microcontrollers and electronics solutions for industrial, IoT, and consumer applications. Where It’s Used Industrial automation and control systems IoT and smart home devices Consumer electronics Robotics projects Automotive electronics The STM32F103C8T6TR is a versatile MCU that balances speed, low power, and flexibility—perfect for most embedded projects.

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Aokai dual power supply boxes deliver seamless 0.2s power transfer between mains & generators, ensuring 24/7 uptime for hospitals, data centers, and industrial facilities. Featuring fireproof IP65 enclosures, IoT-ready remote monitoring, and dual mechanical interlocks – trusted by Schneider, Cummins, and 1000+ mission-critical projects globally. Key Features Automatic Switching: Equipped with advanced technology, the Dual Power Supply Box can automatically detect power failures and switch to the backup power source without manual intervention. High Reliability: Designed with mechanical and electrical interlocking systems to prevent simultaneous connection of both power sources, ensuring safe and reliable operation. Wide Application Range: Suitable for environments requiring high power reliability, including hospitals, shopping malls, banks, and industrial facilities. Customizable Options: Available in various configurations to meet specific project requirements, including indoor installation and different rated current capacities. HWX Dual Power Supply Box Applications Industrial Automation: Ensures uninterrupted power supply for critical machinery and equipment. Data Centers: Maintains continuous operation of servers and networking equipment.

The Internet of Things (IoT) is network composed of connected goods, including Internet services interacting with these goods, forming limited data transmission carrier; flexible intelligent bus duct is humanized improvement of bus duct distribution system, combined with measurement and control technology and automatic monitoring, recording, storing software system and Internet networking linkage, having the function of monitoring data analysis, signal transmission, failure warning and releasing., to realize the safe operation of engineering power distribution system. The products are widely used in power distribution engineering of nuclear power rod control room, telecommunication center, cloud data center IT cabinet, IDC room, machine tool intensive workshop, large conference center, large theater, large buildings and hotel. Provide more convenient and safe services for customers'daily operation and maintenance of distribution system. Technical support for loT flexible intelligent busway 1.Adoption of standards: 1.1 National Standard(GB7251.1-2013)"Low-voltage switchgear and controlgear assemblies 1.2  National  Standard(GB7251.6-2015)"Low-voltage  switchgear  and  controlgear  assemblies Part 6:Busbar trunking systems(busways) 1.3  National  Standard(GB7251.8-2005)"Low-voltage  switchgear  and  controlgear  assemblies- General Technology Requirement for Intelligent assemblies; 1.4 National standard(GB 50054-95)"Code for design oflow voltage electrial installations; 1.5 National Standard(GB/T50314-2000)"Standard for Design of Intelligent Building 1.6 National Standard(GB4208-2008)"Degrees of Protection Provided by Enclosure(IP Code)

LQJ Series aluminum cable are new varieties of products resarched and produced by our factory and Qinhua university. with the rapid development of modern industry, the requirement of power cable, control cable and communication cable increases So quickly, therefore cables are widely used. They can be used for the factory and the ship, So that the cable laying of the oil extraction terrace in the sea reaches standardization , and general purpose. They give the convinience to the project design, construction installlation and safe production. The aluminim cable produced by our factory is adopted with the same effect by the standarization of American material, having the function of high touch- resistence. Because of the reasonable design of the cross section of aluminum material , the integral structire is So compact, flexible and changeable in installation that it has such advantages as heavy load, ligh weight, convenient installation and beautiful modelling, holding a safe lead at home and adroad. Model H W Weight LQJ-WC-2 . 5 -5 25 50 2 .73 LQJ-WC-2.5 - 10 100 4 . 61 LQJ-WC-2 .5 - 15 150 5 . 07 LQJ-WC-2.5 -20 200 7 . 67 LQJ-WC5 -5 50 50 3 . 20 LQJ-WC5- 10 100 5 . 12 LQJ-WC5- 15 150 6.96 LQJ-WC5-20 200 8 . 19 LQJ-WC10-5 100 6 . 18 LQJ-WC10- 10 150 8 . 02 LQJ-WC10- 15 200 9 . 24 LQJ-WC10-20 250 11 . 08

FQJ Series cable have good function like heat insulation, fire-proof, corrnsion-resisting and also are suiable for wide-ranging environment. They have characteristics of light weight, heavy load and reliable safety, and also have reached the advanced standard in country. FQJ Series of fire-proof channel box can be divided into for parts as follows according to different use occasions. (1) Fully-sealed channel box of fire-proof type: The product suits the power cable below 10kv, and also suits the control cable, lightening Lines to be Laid in the areial cable ditch and channel indoors or outdoors. (2) Half-sealed channel box of the fire-proof type: The product can experience flame stifling, temperature in the channel can be limited to be permitted value for the safety motion of cable. The box cover is double board. Besides the function against rain, if can fall automatically when temperature is high enough, covering the cooling hole to avoid air. (3) Fire-proof channel box for cable tunnel: The product is widely-used for the tunnel, some undergroundpublic facilities and some other occasions. It"ps well ventilated. when the channel box catches fire or the cable is hotter, the opened ventilated mesh soaked with special refractory coating is blocked becase of the flames, and also expanded to thick carbombits covering the cable, the small cover on the net falls automatically to cover the net face, as a result, causing the burning medium to go out because of the absence of oxygen. (4) Inorganic channel box of fire-proof type: The product is formed with the inorganic materical and strengthed glass fibre. The refractory structure is fully seally. It can prevent efficiently the self-burning of the cable and the danger of the outer kindling material · Because of inorganic material, it is especially suitable for the occasions of serious acid and alkali corrosion.

XQJ-C type of channel-type cable is fully sealed. It is suitable for Laying computer cable, Communication cable, thermo-coupel cable and control cable with other sensitive system.It has a good effect on the screen interference of control cable and the protection of cable in heavy corrosion envionment. Model A×B   Specification kg Weight Weight C-1A-1 50×25 4.81 2.12 C-1A-2 100×50 8.81 4 C-1A-3 150×75 12.82 5.8 C-1A-4 200×100 22.98 8.05 C-1A-5 250×125 28.92 9.3 C-1A-6 300×150 41.58 13.53 C-1A-7 400×200 69.85 21.89 C-1A-8 500×200 80.41 26.84 C-1A-9 600×200 86.10 38.17 C-1A-10 800×200 101.71 58.15

The 18650 battery cell is one of the most mature and stable products of MATELION. It is applied in the field of E-bikes and electric tools etc.  With the most advanced technology and fully-automatic production line we realized the combination of security, consistency, long life and low cost, is now staying in the forefront of the industry. Standardization and compatibility are fully achieved, reducing costs and increasing efficiency. The standard size of 18mm × 65mm is globally applicable, compatible with mature PACK production lines and automated assembly, and can be mass-produced without equipment modification. The group efficiency is high and consistency is strong. It is compatible with the full series of protection boards and structural components of 18650, and the procurement and replacement costs are low.It supports free combination of series / parallel, and can quickly build voltage platforms of 12V/24V/48V, suitable for various demands from small devices to energy storage systems. When replacing nickel cadmium / nickel hydrogen batteries, the original box design can be directly reused, shortening the product development cycle.

21700 Battery Cells are advanced cylindrical rechargeable lithium batteries designed to deliver higher energy density, longer runtime, and improved thermal performance compared with traditional formats. With a diameter of 21mm and length of 70mm, 21700 cells strike an optimal balance between capacity, power output, and safety, making them one of the most popular choices for modern industrial, commercial, and energy storage applications. Core Competitive Advantages 1. Capacity and density both increase, reducing assembly costs Single-cell capacity 3000-5000mAh, approximately 30%-50% higher than 18650, with the same system reducing the number of cells by 20%-30% and simplifying the PACK design, lowering BMS and structural component costs.Energy density 180-260Wh/kg, supporting 2C-11C fast charging and high-current discharge. The lithium-ion system can sustain discharge at 25-50A, and the lithium iron phosphate has a cycle life of ≥3000 times (80% DOD). The terminal replacement frequency is significantly reduced.

26650 Battery Cells are large-format cylindrical rechargeable lithium batteries designed for high power output, long cycle life, and excellent thermal stability. With a diameter of 26mm and length of 65mm, 26650 cells provide significantly higher capacity and discharge performance compared with smaller cylindrical formats, making them ideal for demanding industrial and commercial energy systems. As a professional Industrial Rechargeable Batteries Cells manufacturer, we offer reliable lithium battery solutions widely used in energy storage, electric mobility, industrial equipment, and backup power applications. Core Competitive Advantages 1. Size and Integration Advantage, Compatible with Mainstream Solutions Standard cylindrical size (26×65mm), compatible with 18650 mature production lines and PACK processes, can be directly replaced and upgraded, reducing equipment renovation costs; supports series/parallel combinations, suitable for diverse demands ranging from small devices to energy storage systems.The structure is sturdy, with steel shell packaging that is resistant to impact and vibration, suitable for outdoor and industrial environments, and easier for automated assembly than pouch cells, with a production efficiency increase of 20%+ and stronger batch consistency.

LiFePO4 Pouch Cells are advanced lithium iron phosphate battery cells designed for applications that require high safety, long cycle life, and stable performance. Compared with traditional lithium-ion batteries, LiFePO4 chemistry offers superior thermal stability, excellent structural integrity, and outstanding reliability, making it one of the most trusted battery technologies in industrial and commercial energy systems. As a professional Pouch Cells manufacturer, we provide high-quality lithium battery cells that are widely used in energy storage systems, electric vehicles, backup power solutions, and industrial equipment.

The super cell is the 280Ah LFP prismatic cell which is designed with unique structure of one-tab, that the taps stand out of the two ends of the cell.  Because the entire empty foil area is full of tabs, it can withstand larger current and the cell C-rate performance is very good. Besides,the temperature rise is obviously lower than common LFP primatic cells . LFP Prismatic Cells are lithium iron phosphate battery cells designed with rigid aluminum or steel casing, offering exceptional safety, structural stability, and long-term reliability. LFP (LiFePO4) chemistry is widely recognized as one of the safest lithium battery technologies, making prismatic LFP cells the preferred choice for large-scale energy storage systems, electric vehicles, and industrial power applications.

Mainly used in the semiconductor packaging industry, it can be used for various types of integrated packaging. Automatic Press-Fit Machine — Precision, Speed, Reliability Upgrade your production line with our Automatic Press-Fit Machine — engineered for repeatable, high-throughput press-fit insertion with industry-grade precision. Built for electronics and connector assembly where consistent force control, part integrity, and uptime matter, our Press Fit Machine combines servo-driven motion, integrated process monitoring, and flexible tooling to deliver fast cycle times and near-zero defect rates. Our Automatic Press-Fit Machine performs controlled press-fit insertions and swaging operations with programmable force profiles, automatic head/tool changes, and optional vision alignment — ensuring every connector or component is seated correctly without board damage. It’s designed for both inline SMT/PCB lines and stand-alone automation cells. Key features ·  Servo-controlled press with force-profile management for repeatable, measurable insertions and automatic reject on out-of-spec events. ·  High-precision positioning & optional vision guidance to align pins/connectors before press-fit, reducing cycle rework. ·  Multi-head / multi-station configurations available for high throughput (parallel insertion) or flexible one-off setups. ·  Smart process monitoring & data logging (SPC) — force/position traceability for quality control and process optimization. ·  Modular tooling and quick-change fixtures so the machine adapts fast to new connector types and board layouts. ·  User-friendly touchscreen HMI and PLC control with recipe management for fast line changeovers. Benefits for your factory ·  Reduce defects & rework — precise force control and vision alignment protect expensive PCBs and components. ·  Increase throughput — configurable multi-head systems and fast cycle recipes maximize production yield. ·  Improve traceability & compliance — built-in logging and reject handling make audits and quality reporting simple. ·  Lower total cost of ownership — robust design, easy maintenance, and modular upgrades keep downtime low. About us: https://www.topleadingintel.com/aboutus/

Mainly used in the semiconductor packaging industry, it can be used for various types of integrated packaging. Tri-Temperature Test Handler — Precision Thermal Test Our Tri-Temperature Test Handler delivers reliable, repeatable thermal testing across the full tri-temp spectrum so you can validate device performance where it matters most — from extreme cold to high heat. Designed for engineering labs and scalable to production lines, this handler combines precise thermal control, high throughput multi-site testing, and broad device compatibility to shorten time-to-market and reduce test costs. Benefits of Tri-Temperature Handler ·  Wide, industry-grade temperature range for true tri-temp testing (cold → ambient → hot), supporting the full range of device characterization and qualification needs. ·  Active thermal control (ATC) and multi-zone temperature management keep DUT temperatures stable and uniform during high-power or long soak tests, improving data quality and yield. ·  Multi-site parallel testing and optimized handling mechanics deliver high units-per-hour throughput while minimizing jams and socket wear — ideal for semiconductor production and high-volume validation. ·  Flexible cooling/heating architectures (LN₂ or modern refrigerant thermal engines) let you match performance to cost and facility constraints. ·  Engineered to support a wide array of package types (QFN, BGA, QFP, TO- packages, SOT23, etc.) and easy kit changeover for fast product mix-shifts. Technical Highlights ·  Full tri-temp capability with precision thermal control for accurate soak and transition cycles. ·  Configurable parallelism (single-site up to multi-site arrays) so you can prioritize throughput or per-device characterization as required. ·  Industry-proven sockets, thermal engines, and pre-heat designs that integrate seamlessly with ATE test heads and common production workflows. ·  Robust mechanical design for long MTBF and easy maintenance — reduces downtime and total cost of ownership. About us: https://www.topleadingintel.com/aboutus/

Mainly used in the semiconductor packaging industry, it can be used for various types of integrated packaging. A final test handler is an automated system used for the final testing of semiconductor devices. It performs critical functions such as device transport, temperature control during testing, and sorting of units based on test results. Through advanced semiconductor testing systems, manufacturers can identify non- compliant devices early, optimize overall production yield, and minimize the risk of failures in critical applications. Advanced Final Test Handling System Modern semiconductor applications demand high-precision, innovative technology — including automated optical inspection (AOI), tri-temperature testing, IC testing, and sensor testing. These processes require reliable, repeatable, and clean test floor environments to ensure the highest levels of quality control and product assurance. As a full-service systems integrator, Top-leading provides comprehensive semiconductor solutions — from Automatic Test Equipment (ATE) to fully Automated Handling Systems. Our expertise covers the design, manufacturing, and service of state-of-the-art device handling solutions — from basic sub-systems to turnkey automation platforms. Flexible and Scalable Final Test Handler Solutions Top-leading's innovative and user-friendly handling systems can be configured as basic, kitless test handlers or expanded into advanced test handling systems through a wide range of optional modules. This flexibility allows users to meet diverse testing requirements efficiently — from R&D environments to high- volume production. Our Test Handler platform covers a wide range of automated test and handling applications, from passive electronic components to semiconductor devices. In addition to standard test handlers for resistors and capacitors, our platform can be extended to semiconductor test handler solutions, including KGD (Known Good Die) handling and testing, supporting customized test flow, sorting logic and automation integration. About us: https://www.topleadingintel.com/aboutus/