Chip Fuse Products Classified by Performance
Normal current flow: Everyone needs to understand the normal current flow through the patch fuse in the circuit being used. Generally speaking, everyone needs to set a derating amount in advance, and then select according to the following basic principle: the normal current amount must be lower than the product of the rated current and the derating coefficient.
Fusing current: According to UL specifications and models, patch fuses should quickly fuse at twice the rated current. But in most cases, to ensure stable fusing, we suggest that the fusing current should be greater than 2.5 times the rated current. In addition, when the time of the circuit breaker is important, the judgment must also be made by referring to the circuit breaker performance diagram provided by the manufacturer.
Open circuit voltage: The open circuit voltage should usually be selected below the rated voltage. For example, when using a Chip fuse with a rated voltage of DC24V in an ACl00V circuit, it may ignite the chip fuse or cause the fuse to crack.
The ambient temperature of the fuse should be within the specified operating temperature range. Selection Method for Chip Fuses
There are many series of fuses in the electronic component market, among which are patch fuses. This series of fuses is widely used in factories, with few being used by individual users.
According to industry experts, SMD fuses are a relatively high skill level new variety in the small fuse profession. Chip fuses can be divided into chip current fuses and chip self recovery fuses. After one-time fuse maintenance, it needs to be replaced. After self restoring fuse maintenance, it can be self restored and reused after a power outage.
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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.
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.
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.
High-Speed Fusing Chip Fuses Play A Crucial Role in Protecting Electronic Circuits
High-speed fusing chip fuses play a crucial role in protecting electronic circuits. These fuses are designed to quickly interrupt the flow of current in the event of an overcurrent or short circuit, preventing damage to sensitive electronic components.
Solution to Fuse Failure
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Introduction of Surface Mount Fuses
Surface mount fuse is a widely used protective component in electronic circuits. Patch fuses are compact in size and typically flat in shape. This compact structure gives it a unique advantage in the trend of miniaturization in modern electronic devices, effectively saving space on circuit boards.
What are the Types of Glass Tube Fuses
What are the types of Glass Tube Fuses?
SMD fuse and Chip Fuse Specifications
SMD fuses can be divided into SMD disposable fuses and SMD self recovery fuses. Among them, the specifications of patch disposable fuses include series 060312062410 fuses, and the specifications and dimensions of patch self recovery fuses include series 0603, 0805, 1206, 1210, 1812, 2920, etc.
Surface Mount Fuse, a Widely Used Protective Component in Electronic Circuits
Surface mount fuse is a widely used protective component in electronic circuits. Structurally speaking, patch fuses are compact in size and typically flat in shape. They are designed to be suitable for surface mount technology (SMT) and can be easily installed on printed circuit boards (PCBs).
How Many Types of Fuses are There?
Below is an introduction to the classification by type, which can be divided into current fuses: patch fuses, miniature fuses, plug-in fuses, and tubular fuses； Temperature fuse: RH square type, RP resistance type, RY metal case； Self recovery fuse: plug-in, laminated, patch.
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.
Experience in Selecting Self Recovering Fuses
Do you have any good experience to share in selecting self recovering fuses? Self recovery fuse is an overcurrent electronic protection component, which is made of high molecular weight organic polymers under high voltage, high temperature, and sulfurization reaction conditions, mixed with conductive particle materials, and processed through special processes.
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.
What are the Standard Requirements for Self Restory Fuse Technology?
Self recovery fuse is a type of overcurrent electronic protection component, which is made by mixing conductive particle materials with polymer organic polymers under high pressure, high temperature, and vulcanization reaction conditions, and processed through special processes. What are the standard requirements for self restoring fuse technology? 1. The rated zero power resistance PPTC thermistor should be packaged in different levels according to the zero power resistance, and the resistance range should be indicated on the outer packaging.
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