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  • How to Select Varistors

    Before selecting a varistor, you should first understand the following technical parameters: Nominal voltage refers to the voltage value at both ends of the varistor under specified temperature and DC current. Leakage current refers to the current value flowing through the varistor at 25℃ when th...
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  • Is Smaller Capacitor Tolerance Better?

    Is Smaller Capacitor Tolerance Better?

      With the rapid advancement of technology, there is an increasing number of electronic products, resulting in higher production line qualification rates and yields. However, even with mature processes and technologies, the qualification rate can only reach around ninety percent, similar to ...
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  • The Application of Safety Capacitors

    The Application of Safety Capacitors

    Safety capacitors are a type of capacitor used in electronic devices to ensure that their failure does not result in electric shock or endanger human safety. Here are several applications of safety capacitors:   Electromagnetic Interference Suppression: Safety capacitors are commonly used to supp...
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  • NTC Thermistors in Power Supply

    NTC Thermistors in Power Supply

    NTC (Negative Temperature Coefficient) thermistors, along with PTC (Positive Temperature Coefficient) thermistors, are temperature-sensitive components exhibiting varying resistance at different temperatures. In a switching power supply application, NTC thermistors play a crucial role in circuit ...
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  • Differences Between 10D 471K and 20D 471K Varistors

    Differences Between 10D 471K and 20D 471K Varistors

    Varistors are special electronic components whose resistance changes with the applied voltage. In circuits, varistors are mainly used for overvoltage protection, absorbing transient overvoltages to protect circuits from damage.   Varistors come in many different models, each with different p...
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  • What Is Q Value for Capacitors

    What Is Q Value for Capacitors

    In electronic circuits, capacitors are essential components capable of storing charge and providing a bypass or decoupling for AC signals. Among the parameters of capacitors, the Q value is a crucial indicator that reflects important performance characteristics.   I. What is the Q Value?   The Q ...
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  • How Film Capacitors Improve Sound Quality

    How Film Capacitors Improve Sound Quality

    In contemporary times, smartphones have become an integral aspect of daily life, transforming from the hefty, brick-sized mobile phones of the past to sleek flip phones, and finally, to the present era dominated by smartphones. The functionality of these devices has transcended basic call functio...
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  • The Self-Healing Aspect of Film Capacitors

    The Self-Healing Aspect of Film Capacitors

    Film capacitors utilize metal foil as electrodes and employ plastic films like polyethylene, polypropylene, polystyrene, or polycarbonate as the dielectric material. They come in various types based on the specific plastic film used, such as polyethylene capacitors (Mylar capacitors), polypropyle...
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  • The Role of Supercapacitors in Automotive Starting

    The Role of Supercapacitors in Automotive Starting

    Cold starting has always been a challenge for various types of engines, and external heating is currently a common method. However, the disadvantages are evident: long preparation time (requires preheating for nearly 1 hour), high system retrofitting costs, large volume, high cost per start, and ...
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  • The Crucial Role of Safety Capacitors in Air-conditioner

    The Crucial Role of Safety Capacitors in Air-conditioner

    Air conditioning is an indispensable appliance known for its multifunctionality, encompassing cooling, heating, dehumidification, and air purification. At the core of these functions lie vital electronic components, with safety capacitors playing a pivotal role.   Key Characteristics of Safety Ca...
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  • Super Capacitors Will Change The Smartphone Battery Life

    Super Capacitors Will Change The Smartphone Battery Life

    Imagine a scenario where a smartphone can intelligently charge fully in seconds, and even after a decade of use, the battery shows no signs of degradation – this would undoubtedly bring about a revolutionary user experience.   A supercapacitor is a device capable of storing and transmitting elect...
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  • How is the Loss Generated in Film Capacitors

    How is the Loss Generated in Film Capacitors

    Film capacitors use metal foils as electrodes, which are overlapped with plastic films such as polyester, polypropylene, polystyrene, or polycarbonate. These components are then wound into a cylindrical capacitor structure. Film capacitors are widely used because of their high insulation impedan...
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