With the development of technology and social progress, people are paying more and more attention to the intellectual development of infants and young children. Various educational toys are springing up one after another, including electric and non electric ones, with thousands of types and varying quality requirements. When people purchase toys, they often pay more attention to their playable functions and neglect their safety. Many toy quality issues are only taken seriously when accidents occur, but it is too late and have already caused harm to people, some of which may last for a lifetime. In foreign countries and particularly developed countries, the safety of electronic toys is the most important. Regardless of certification, testing, research and development design, customer requirements, etc., the first consideration is safety, followed by the functions of toys, especially electric toys. Therefore, the safety protection of toys is the primary issue. In clause 3.6.2 of th
Air purifiers, also known as air filters, can filter out impurities in the air and output clean air. In this era of industrial pollution and severe smog, air purifiers have become essential equipment widely used in homes, hotels, and other places. It consists of three parts: control circuit, mechanical and detection status indication. The mechanical part involves the fan motor passing indoor air through a filter and circulating impurities to achieve air purification. The core of an air purifier is a small motor. In this transmission system mechanism, small motors are prone to overload or rotation due to problems such as mechanical lack of lubricating oil, bearing wear, rust, dust, etc., ranging from burning out the motor to burning out the motor and wires, and even leading to fire accidents. So it is necessary to design overload protection and gambling protection circuits for the motor to ensure safe operation. Traditional designs often use bimetallic temperature controllers as o
Chip fuses are the most commonly used fuses. As a fuse manufacturer, we also have our own brand of chip fuses. So, what are the specifications and sizes of our company's chip fuses? What are the specifications and dimensions of patch fuses—— Chip fuses mainly come in packages such as 0603, 0805, 1206, 1210, 1812, 2016/2018, 2920, etc. They are all named and classified according to volume, and each series has many other specifications and models based on different currents and voltages. Surface Mount Fuses What are the specifications and dimensions of patch fuses—— Among them, the size of the 0603 series patch fuse is 1.6 * 0.8mm; The size of the 0805 series patch fuse is 2.0 * 1.2mm; The size of the 1206 series patch fuse is 3.2 * 1.6mm; The size of the 1210 series patch fuse is 3.2 * 2.5mm; The size of the 1812 series patch fuse is 4.5 * 3.2mm; The size of the 2016/2018 series patch fuse is 5.0 * 5.0mm; The size of the 2920 series patch fuse is 7.5 * 5.5mm.
The self-healing fuse PPTC is a type of overcurrent electronic protection component, which is made by adding conductive particle materials to a polymer organic polymer under high pressure, high temperature, and vulcanization reaction conditions, and processed through a special process. Self recovery fuse (PPTC: Polymer self recovery fuse) is a positive temperature coefficient polymer thermistor used for overcurrent protection and can replace current fuses. When the circuit is working normally, its resistance value is very small (voltage drop is very small). When the circuit experiences overcurrent and causes its temperature to rise, the resistance value sharply increases by several orders of magnitude, reducing the current in the circuit to below the safe value, thus protecting the subsequent circuit. After the overcurrent disappears, it automatically returns to a low resistance value. The above is the working principle of a self recovery fuse. Chip self recovery fuse Most people
Patch self recovery fuse (PTC: Polymer self recovery fuse) is a positive temperature coefficient polymer thermistor used for overcurrent protection and can replace current fuses. When the circuit is working normally, its resistance value is very small (voltage drop is very small). When an overcurrent occurs in the circuit, causing its temperature to rise, the resistance value sharply increases by several orders of magnitude, reducing the current in the circuit to below the safe value, thus protecting the subsequent circuits. After the overcurrent disappears, it automatically returns to the low resistance value. SMD self recovery fuses are widely used, so let's take a look at the specific applications of their products. 1. Application in circuit control and sensors: Transistor temperature compensation circuit, temperature measurement and control circuit, overheat protection circuit, incubation box, electric fan, color roll washing, kettle, electric water heater, electric blanket,
Ceramic gas discharge tubes are the most widely used switching devices in lightning protection equipment. Whether it is for lightning protection of AC and DC power supplies or various signal circuits, they can be used to discharge lightning currents into the ground. Its main characteristics are: high discharge current, small interpole capacitance (≤ 3pF), high insulation resistance (≥ 109 Ω), high dispersion of breakdown voltage (± 20%), and slow reaction speed (the fastest is 0.1-0.2 μ s) . According to the number of electrodes, there are two types of discharge tubes: bipolar discharge tubes and bipolar discharge tubes (equivalent to two bipolar discharge tubes connected in series). Its shape is cylindrical, with two structural forms: with and without leads (some also have protective cards for short circuits in case of overheating). A gas discharge tube consists of two electrodes enclosed at a certain distance in a ceramic tube filled with inert gas. Its electrical performance ba
MB:+86 13924633629 Ms.vicky
E-mail: waimao@xcfuse.com
Factory :
XC Electronics(Shenzhen)Corp.,LTD
Add: Jinyuan Industrial zone,Heao, Henggang, Shenzhen 518115,China
Shenzhen branch: Shenzhen Xucheng Electronic Commerce co.Ltd
Add: 8-15 Jinyuan Industrial zone,Heao, Henggang, Shenzhen 518115,China
