Introduction to the Application Fields of Chip Fuses


Among various small fuses, the SMD chip fuse is a type with high technological content. In recent years, driven by the application of portable products such as mobile phones, digital cameras, and laptops, this type of product has gradually become popular. With the continuous reduction of prices and further improvement of production processes, as well as the expansion of application fields, the cost-effective advantage of SMD Chip Fuses will be favored by more OEMs.
SMD patch fuses are widely used, particularly in portable electronic products, power converters, car entertainment facilities, communication peripherals, and home audiovisual devices.
Among them, portable electronic products cover a wide range, including mobile phones, digital cameras, PDAs, laptops, game consoles, PMPs, MP3s, learning machines, and so on;
In terms of power converter applications, lithium battery protection boards and inverter protection for mobile phones and other products are currently the main application areas. These types of applications are widely used and account for a considerable share of SMD fuse applications;
In terms of in car entertainment facilities, they include GPS navigation systems, in car televisions/radios/DVDs, etc. With the rapid development of the automotive electronics industry, the potential of these applications is also highly regarded by the industry;
Applications on communication peripheral devices, including chargers, network access distribution lines, routers, modems, network cards, etc;
In terms of household use, it is mainly concentrated on products such as LCD monitors/televisions, set-top boxes, etc.
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SMD fuse and Chip Fuse Specifications
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High-Speed Fusing Chip Fuses Play A Crucial Role in Protecting Electronic Circuits
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Development of SMD Chip Fuse Market
SMD chip fuses have been very popular in the domestic market in recent years, and they are on par with plug-in fuses. However, due to their small size and other advantages, SMD chip fuses have gradually occupied a place in daily life. Now, I will briefly explain the market prospects of SMD chip fuses.
Discussion on the Testing Method of Chip Fuses
We know that there are many series of fuses in the electronic component market, including patch fuses. This series of fuses is commonly used in factories, with few being used by individual users. But what should we pay attention to when testing patch fuses? Today, editor Dai Liang, let‘s take a look together. Firstly,The detection method for patch fuses is recommended to be based on the following aspects: normal current, fusing current, open circuit voltage, short circuit current, impulse current, and ambient temperature.
How to Choose a Patch Fuse?
Chip fuses are mainly used in electronic products such as digital cameras, laptops, and mobile phones. From traditional glass tube fuses to micro fuses and chip fuses, the focus of their selection is slightly different due to differences in product technology.
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The Selection of Miniature Fuses
Miniature fuses are primarily used in digital cameras, laptops, mobile phones, and other electronic products. From traditional glass tube fuses to miniature fuses, the selection focus varies slightly due to differences in product technology. The selection of miniature fuses involves the following elements.
Precautions for Selecting Chip Fuses
With the development of highly integrated electronic products such as digital cameras, laptops, and smartphones, and urgent need for factories to adopt full automation to reduce high labor costs in the market environment. Chip fuses are widely used in overcurrent protection applications, but due to differences in technology, they have different advantages compared to plug-in self-recovery fuses. At the same time, chip fuses also have some of their own weaknesses.
How to Choose the Rated Voltage and Current of Chip Fuses
How to choose the rated voltage and current of a patch fuse: The rated voltage of a patch fuse depends on the current flowing through it, and is not related to the working voltage of the circuit. From the perspective of safe use, the rated voltage of SMD fuse is proposed, which is the highest working voltage of the circuit when the SMD fuse is in a safe working state. This means that fuses can only be placed in circuits with a working voltage less than or equal to the rated voltage of the fuse. Only in this way can the fuse operate safely and effectively.
The Development History of Micro Fuses
From a long-term perspective, the development process of micro fuses is mainly a new variety derived to meet market demand. Fuses protect the circuit by fusing themselves with the Joule heat of the current flowing through the body of a fusible metal, thereby cutting off the circuit.
How to Design Chip Fuses
In electronic products, chip fuses have two functions: protecting end users from harm and protecting circuits from damage. These functions benefit both device users and manufacturers. Over the past decade, the demand for electronic devices serving information technology, mobile, and consumer applications has sharply increased in the market. With this rapidly growing demand, the risk of unexpected situations in electronic devices has also increased, requiring the use of overcurrent protection devices such as chip fuses to avoid risks such as electrical overload.
Application of SMD Fuses in Independent Devices
SMD fuse, also known as SMD chip fuse, is a type of SMD packaged fuse that has a wide range of applications due to its small size and chip type. Its application in some independent devices is gradually playing an irreplaceable role.The scope of battery powered equipment has expanded from powerful hand tools for craftsmen to sensors for housing supervision and even medical assistance services. The security of such devices faces enormous challenges. To ensure safe operation of these independent devices, JDTFUSE offers two SMD fuses with low power consumption and high tolerance tripping time.
Characteristics of Chip Fuses
With the development of technology, there are more and more components in circuit design, so the requirements for electronic component packaging are becoming smaller and smaller. The 0603 SMD fuse emerged in this context.
What Parameters Should be Noted for Patch Fuses
A circuit is composed of wires and electronic components, and the parameters of SMD fuses required by different circuits vary. The main parameters of SMD inductors include inductance, allowable deviation, distributed capacitance, rated current, and quality factor.
what is Miniature Fuses
Micro fuses are different from ordinary electronic components such as chip resistors and chip capacitors. Due to differences in manufacturers, their specifications vary greatly. In addition, actual installation can have a certain impact on the heat dissipation of printed boards and wiring. Therefore, the selection of micro fuses should ultimately be determined by the state of the product.
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