PCB & Electronic parts

  In  PCB design , the same oversight of the temperature requirements of  PCBs  will cost you more than balloons and ice cream. You need to know how much heat your PCB can withstand before it starts to suffer structural damage, especially if it is deployed in a high-temperature environment. What is the maximum temperature of FR4 PCBs? As you know, FR4 indicates the rating of the flame-retardant F4 property of the PCB. FR4 PCBs are made of multiple layers of fiberglass epoxy laminate. FR4 PCBs are preferred among manufacturers because of their consistent physical properties. FR4 PCBs are very strong when exposed to high temperatures, but at a certain temperature, their physical properties change. The heat-resistant properties of FR4 are indicated by the Tg, or glass transition temperature, at which it changes from a solid state to a soft and rubbery state. Typically, FR4 PCBs are rated for a Tg of 130°C. In other words, if a PCB rated at 130°C is heated above its glas...

  PCBA Handling  is an important process and facility in  PCBA production . It is essential to provide a number of details to ensure smooth progress and obtain a precise quotation. This article will provide the reader with detailed information on the materials required and the time it will take to complete the production process. In addition to , providing samples or detailed directions is also a key product in the chip handling facility. Samples help manufacturers better understand product attributes, quality requirements and determine the production process. In-depth instructions can also cover specific needs or balance expectations between suppliers and clients. Finally , automation requirements refer to customer’s needs for production quantity and production cycle. To ensure the distributor is able to prepare a fair production schedule, the client must define their preferred production amount. The requirement to provide production cycles also helps distributors review...

  SMT mounting technology has developed quickly with the development of electronic products. The SMT process is a method of directly mounting electronic components onto a printed-circuit board. It is characterized by high reliability, low cost and high efficiency. Orinew Technology  has many years’ experience in the industry and offers a complete range of SMT processing services. Our SMT machines are the latest in technology and can be customized to suit your needs. Orinew Technology SMT Assembly Services 1. High Efficiency Orinew Technology’s eight automated production lines can produce 24 hours a day, uninterrupted. We use advanced equipment and technologies to automate patching, weld, testing and other processes. This improves production efficiency. 2. Low Cost Orinew Technology is a company that has a full supply chain and can offer customers high-quality raw materials and components. We have established cooperative relationships wth world-famous suppliers of electronic co...

  The most common deformations of PCB during reflow include warping and bending: Bending : The board of the PCB is bent in whole or part. This can be due to uneven mechanical or thermal stresses. Warping : The PCB appears bent or twisted on the circuit board. This is due to the thermal stress that occurs during PCB assembly. Here Are the Main Causes of PCB Warping and Bending: • The PCB board may deform during the reflowing process due to thermal stress generated by temperature fluctuations. • The PCB board's material properties also influence its deformation potential. Materials with a high thermal expansion coefficient, for example, are more prone to deformation. • The PCB design also influences the likelihood of deformation. The larger and heavier a board is, for example, the more likely that it will deform. Follow These Steps to Prevent PCB Boards from Warping and Bending: Temperature Control : It is important to control the temperature of the reflow-oven accurately in order ...

  The PCB is the cornerstone of the electronics sector. In many electronic gadgets, it is a necessary component. When making a PCB, the smoothness of its surface is a crucial consideration. The performance, longevity, and regulatory compliance of a board can all be greatly improved by choosing the appropriate coating. The various types of PCB surface finish will be covered in great detail in this blog. Additionally, you will learn how to choose the best finish for your particular PCB requirements. 1.The Definition of Surface Finishing on  PCBs Learn a bit about the surface finishes of PCBs. In essence, a PCB surface finish is a protective layer applied to the copper trace of PCBs. It can increase PCB reliability and longevity. Surface finish promotes solder joints that are strong, which allows for reliable soldering. Each type of finish is unique. This makes PCBs more suitable for specific applications. Most surface finishes work well with fine-pitch parts. These finishes can ...

  Cold welding It refers to a solder joint with insufficient wetting. Features: Appearance is gray and dull. When observed under a microscope, the solder joints are granular. The main reasons are improper setting reflow oven temperature curve, too fast oven speed, products placed too densely in the oven, solder paste deterioration, etc. Solder bridging It refers to two or more solder joints connected, resulting in a short circuit. The characteristic is that two pins are connected together. The main reasons are solder paste printing bridging, collapse, etc. False soldering It refers to the poor connection between component pins and  PCB  pads. This type of abnormality is most likely to occur in SMT soldering abnormalities. Characteristics:  The pin is not connected to the pad or wrapped in solder but not connected. The main reasons are oxidation, deformation, contamination of component pins or pads, mismatch of design dimensions, printing and mounting offset, inconsis...

  In electrical and electronic engineering, designing, analyzing, and communicating complex circuits relies on a concise, standardized visual language: circuit symbols. These seemingly simple graphics are more than just marks on a diagram; they are a bridge for communicating technical information between engineers, technicians, educators, and hobbyists. Whether designing a sophisticated integrated circuit board, repairing a household appliance, or learning basic electronics, mastering circuit symbols is the essential first step. This guide systematically explains the origins, standards, classification, design principles, and applications of circuit symbols, aiming to provide a comprehensive, professional, and practical reference. By understanding the logic and physical meaning behind these symbols, you can read schematics more efficiently, design innovatively, and solve real-world problems. 1.Overview and Standardization of Circuit Symbols 1.1 What are Circuit Symbols? Circuit Sy...

  Let’s face it, today’s electronics aren’t just faster, they’re smarter, more compact, and way more demanding under the hood. And when you’re building anything that sends or receives a signal, be it a smartphone, radar system, or even a satellite, you can’t just slap down any old circuit board and hope for the best.That’s where the RF PCB and high frequency PCB manufacturers come in. These aren’t your average boards. They’re built for speed, precision, and signal integrity. If a  standard PCB  is the family sedan, these boards are more like tuned sports cars, built for performance under very specific conditions. Whether you’re working in aerospace, military, telecom, or medical devices, ignoring these specialized circuit boards is a rookie mistake. We’re going to break down everything you need to know: what sets an RF PCB apart, what makes a high frequency PCB manufacturer tick, and how to design and source the right one. From materials to manufacturers, we’ve got you co...

  1. Introduction to Next-Gen Wireless Connectivity In our increasingly connected world, reliable wireless communication is not just a feature; it’s a fundamental requirement. From smart home devices and industrial IoT sensors to advanced medical equipment, seamless data exchange depends critically on high-performance RF (Radio Frequency)  components . At the heart of this intricate web are antennas, the unsung heroes that enable devices to transmit and receive signals. Among the industry leaders providing these essential components is Pulse Electronics, a company renowned for its innovative RF antenna solutions, now part of the global electronic component giant YAGEO. This guide delves into one of their key offerings, the  ANTX100P001B24553  RF antenna, exploring its specifications, applications, and the broader context of Pulse Electronics’ contribution to wireless technology. We’ll also touch upon its sibling, the ANTX100P001B24003, and the wider ANTX100 series, p...

  When it concerns standard drill dimensions for printed circuit card, the options are numerous. Manufacturers use several options for hollow and pierce sizes. Table of Content PCB Via Drill Sizes When it comes to standard drill specifications for  printed circuit boards  ( PCBs ), there is a wide array of choices available. Manufacturers utilize various options for both hollow and piercing sizes, making it possible to find the most suitable one through careful research. The following list outlines key considerations that should be factored into the PCB selection process. PCB Via Drill Sizes Because the dimensions used in PCBs can differ among suppliers and manufacturers, there isn’t a universally accepted standard size for board vias in PCB production. Additionally, many drill sizes are preferred by PCB manufacturers, which they categorize as standard sizes. Notably, one of the largest common drill sizes is approximately 0.6 mm. While PCB manufacturers have their own sys...

  Controlling the environment in the factory is a key measure to prevent defects on   printed Circuit Boards   ( PCBs ). Incorrectly managing humidity and temperature can damage expensive electronic components and lead to costly quality problems. Many factors affect the production environment, such as the location of the factory and the equipment used to manufacture the boards. Manufacturers must monitor and adjust temperature and relative humidities in the workshop, even in mild climates around the world. Relative Humidity Humidity in a room is determined by the "relative humidty" (Rh), which reflects a ratio between the partial water vapor pressure and the saturated water vapour pressure at the same temperature. Relative humidity is the quantitative measurement of the amount water vapor present in the air. High Humidity High humidity can lead to serious problems in manufacturing environments. Slippage : The welding paste absorbs excessive water, causing it to bridging w...