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Focus on the latest articles that cover topics ranging from the latest technologies to best practices and industry news for PCB.
May 07, 2025
PCBs (Printed Circuit Boards) and PCBA (Printed Circuit Board Assemblies) serve distinct roles in electronics manufacturing. While PCBs are bare boards that provide electrical connections, PCBA refers to fully assembled boards with components, making them functional. The manufacturing processes differ significantly—PCB fabrication involves etching, drilling, and surface finishing, whereas PCBA includes solder paste printing, component placement, and reflow soldering.
May 06, 2025
May 05, 2025
If you are producing a variety of PCBs (Printed Circuit Boards), the ability of the board to dissipate heat is critical. Effective heat dissipation prevents PCBs from overheating, causing performance problems or catastrophic failures.
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Apr
In terms of price, common capacitors are less expensive, about 2-5 RMB, while electrolytic capacitors are relatively more expensive, the price may be below 20 RMB. The exact price will be affected by the brand, capacity, withstand voltage and other factors.
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AC capacitors are essential components in electronic and electrical systems, used for energy storage, voltage regulation, and improving motor efficiency. This article explains how AC capacitors work, common types (such as start capacitors and run capacitors), and their key applications in household appliances and industrial equipment. It also provides buying tips to help you select the best product based on voltage, capacitance, and durability, ensuring stable operation and energy savings.
2025 Russia International Consumer Electronics Fair (ICEF 2025) Officially Launched: A Global Tech Event You Can't Miss!
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A load resistor is a resistive element in a circuit that is used to consume electrical energy or simulate an actual load and is mainly used to simulate or replace an actual load in order to test or adjust the performance of a circuit.
A variable resistor is an electronic component whose resistance value can be adjusted manually or automatically to control the current or voltage in a circuit. It is widely used in electronic circuits to adjust parameters such as volume, brightness, and temperature.
Resistors are essential passive components that limit current flow and divide voltages in electronic circuits. Governed by Ohm’s Law (V=IR), their resistance (R) determines how they control energy as heat (P=I²R). From fixed resistors to variable types like potentiometers, they enable precise circuit tuning, signal attenuation, and protection against overcurrent. Key applications include voltage dividers, LED current regulation, sensor interfacing, and analog signal processing. This guide covers resistor principles, critical calculations, and their role in modern electronics—ensuring stable, efficient circuit operation.
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Capacitors are fundamental components in electronics, storing energy as electric field energy between charged plates. Their stored energy can be calculated using three key formulas—E=½CU², E=½QU, and E=Q²/2C—depending on known parameters like capacitance (C), voltage (U), or charge (Q). Factors such as plate area, spacing, and dielectric material influence their storage capacity, while supercapacitors push limits with rapid charge/discharge cycles. Widely used in power systems, renewable energy storage, and electronic circuits, capacitors play a crucial role in stabilizing voltage, filtering signals, and recovering energy. This guide explores capacitor energy principles, critical calculations, and modern applications.
Resistors (commonly referred to simply as "resistors" in daily usage) are current-limiting components. When connected in a circuit, a resistor typically has a fixed resistance value with two pins that restrict the current flow in its connected branch.
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PCIM Europe 2025, the global benchmark event for power semiconductors, will take place May 6-8 in Nuremberg, Germany. This year's edition will break new records in scale, focusing on power electronics, intelligent motion, renewable energy, and energy management, while connecting key industries like semiconductors, energy storage, and electric vehicles. Germany's booming market—driven by industrial demand, energy transition policies, and government support—presents major opportunities for Chinese enterprises.
The cost of a PCB board is calculated in the following way: At the time of initial fabrication, there is a one-time photographic fee, which includes printing on the front and back, and one photo for each side.
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The 2025 Russia International Consumer Electronics Fair (ICEF 2025) will be held April 15-17 in Moscow, expecting 50,000+ visitors across 30,000+ sqm exhibition space. Focused on smart tech, AIoT and 5G trends, it helps businesses expand in Russian and Eurasian markets. Register now for global opportunities! Topfast will exhibit - visit us for potential collaborations.
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