Through hole soldering is a method of fixing electronic components on a PCB (Printed Circuit Board). Through holes are drilled to form through holes in the PCB, then components are inserted into the through holes, and then the solder is melted between the PCB and the component terminals by heating to realize the soldering. Through […]
An ultrasonic circuit board is an electronic component that utilizes ultrasonic waves for signal transmission. It utilizes the piezoelectric effect of piezoelectric ceramics and other materials to convert electrical signals into ultrasonic signals for transmission. Ultrasonic circuit board is mainly composed of piezoelectric ceramics, metal electrodes, insulation layer and circuit board. When the electrical signal
The pcb trace width calculator is a device that relies on the IPC 2221 formula to determine the width of PCB alignments and is specifically designed to help designers determine the optimal width of alignments on PCBs (Printed Circuit Boards) to ensure the safety and reliability of circuits. The trace width is a key factor
What is annealing in semiconductor?Annealing semiconductor is a process that changes the electrical properties of a semiconductor material by heating it.During the annealing process, the material is heated to a high enough temperature to change its internal structure, which in turn changes the conductivity of the semiconductor. The principle of the annealing semiconductor process is
What is a transistor? It is a semiconductor device used to amplify or switch electronic signals and electricity, which consists of semiconductor material that usually consists of at least three pins for connecting to external circuits, and is an important electronic component in PCBA boards. They are mainly divided into two categories: bipolar junction transistors
Preheating pcb is used to preheat circuit boards that need to be repaired to minimize thermal damage, reduce heat demand on soldering tools, and thus speed up rework. How to use the preheating pcb What do I need to pay attention to after using the heating pcb? Preheating is a very important step in PCBA
A main pcb assy, often referred to as a collection of various electronic components and connectors that make up a motherboard (also known as a motherboard, system board, or flat board). The motherboard is the core component in a computer or other electronic device, responsible for connecting and supporting other hardware devices. Critical components of
Parasitic means that the capacitance was not originally designed in that place, but since there is always mutual capacitance between the wiring, the mutual capacitance is as if it is parasitic between the wiring, so it is called parasitic capacitance, also known as stray capacitance. Parasitic components are additional components created by the electronics in
VIPPO (Via in Pad Plated over) is an over-hole technology, mainly used in PCB boards.POFV is Plating Over Filled Via abbreviation, refers to the PCB on the over-electrical holes, in order to meet the needs of the soldering and over-hole internal conduction, the first over-hole resin plugging holes, and then copper-plated to cover the holes
In the face of complex electronic systems, how to troubleshoot electronic circuit boards has become a key skill that every electronic engineer and enthusiast must master. As the heart of the electronic equipment, any small failure of the electronic circuit board may have a significant impact on the entire system. Therefore, it is crucial to
Soldering wetting is the process by which molten solder forms a uniform, smooth, continuous and firmly attached alloy on the surface of the metal to be welded during the welding process. Surface wetting is the phenomenon whereby the molten solder spreads out and covers the surface of the metal to be welded during the welding
What is in a circuit board?PCB stands for Printed Circuit Board. It is a substrate used to support and connect electronic components and is a flat board made of insulating material on which electronic components are laid out and connected through structures such as conductive tracks, holes and pads. It is one of the most
SMD package refers to electronic components directly surface mounted on the circuit board in a package, it has a small size, light weight, high reliability, is currently the most widely used in electronic products in a package. SMD surface mount device installation process mainly has the following steps:Installation of the substrate: the substrate will be
SMD Resistor (SMD Resistor), also known as Chip Fixed Resistor (Chip Fixed Resistor), is a type of metal glaze resistor. It is a resistor made by mixing metal powder and vitreous enamel powder and printed on a substrate using the screen printing method [1]. It is resistant to humidity and high temperature, and has a
SMD LED is small and highly efficient light emitting diodes (LEDs) that are commonly used in electronic products as indicator lights or display backlights. Compared to conventional LEDs, SMD LEDs have higher density and better energy efficiency. They are named “SMD” because they can be affixed directly to printed circuit boards, saving space and improving
PCB pins are the metal parts of printed circuit boards used to connect electronic components. They are usually small metal columns or pads extending vertically from the surface of the PCB board, through welding, plugging and other ways and components of the pins or pin holes are closely linked to realize the transmission of circuit
Postage stamp holes are holes with a small diameter and shallow depth, usually about 0.254 mm in diameter and 0.167 mm in depth, and are round or oval in shape, and sometimes in other shapes, such as square, triangle, etc. Stamp holes can be customized to meet specific needs.Postage stamp holes size and shape can
In PCB (Printed Circuit Board) design, the connection method is a very important part. It determines the reliability, performance and functionality of electronic devices. But how to connect pcb board? PCB board connection methods mainly include V-cut, stamp holes, hollow connecting strips, V-cut, copper foil bridge connection, separated connecting boards, panelization and so on. V-cut
The battery charger pcb board is a kind of intelligent protection electronic circuit, which can protect the battery in many ways, not only to prevent the battery from overcharging and over-discharging, but also to protect the battery from being damaged by over-current, over-voltage, short-circuit and other problems. During the battery charging process, the internal voltage
Buried capacitance pcb is a common technique used in PCB design to improve the performance of a system by embedding capacitors inside the PCB board.PCB buried capacitors are capacitors made inside the PCB board, and the capacitors made in this way are called buried capacitors. The embedded capacitors can be ceramic, tantalum or polymer capacitors,
Electrical panel usually consist of a power input module, a transformer module, a power distribution module and a control and protection module. The power input module is mainly to connect the external power supply to the electrical panel, while the transformer module converts the input voltage to supply power reliably to other modules. The power
PCB board testing is an extremely important step in the production process and is an essential production process. It is to check the rationality of PCB design, test its possible problems or defects in the production process, to ensure the functionality and appearance of the product, and improve the production yield of the final product.
Milling PCB board is a method of processing printed circuit boards (PCBs) using CNC milling technology. It cuts and repairs PCB boards through milling methods to form the final form of the product. With the booming of the electronics market, the demand for PCB milling technology is getting higher and higher. Reasons affecting the accuracy
A drill for pcb board is a device used to perform precise drilling operations on PCBs for the subsequent installation of electronic components such as resistors, capacitors, IC pins, and various other connectors. Drilling is a critical step in the PCB manufacturing process as it ensures electrical interconnections between internal layers of the board as
