EUPEC INFINEON electrical components German EUPEC INFINEON models EUPEC INFINEON prices

EUPEC INFINEON electrical components refer to an electrical device that disconnects the circuit by melting the fusible element with the heat generated by itself when the current exceeds a specified value. A fuse is a current protection device made based on the principle that when the current exceeds the specified value for a period of time, the heat generated by itself melts the fusible element, thereby disconnecting the circuit. Fuses are widely used in high and low voltage distribution systems, control systems, and electrical equipment as short-circuit and overcurrent protectors, and are one of the most commonly used protective devices. A metal conductor is used as the fusible element connected in series in the circuit. When overload or short-circuit current passes through the fusible element, it melts due to its own heating, thereby disconnecting the circuit. The fuse has a simple structure and is easy to use, and is widely used as a protective device in power systems, various electrical equipment, and household appliances.

EUPEC INFINEON electrical component classification

Inductor coils commonly used in circuits are roughly classified as follows: Classification by inductance form: fixed inductors, variable inductors. Classification by magnetic core properties: air-core coils, ferrite coils, iron-core coils, copper-core coils. Classification by operating nature: antenna coils, oscillator coils, choke coils, trap coils, deflection coils. Classification by winding structure: single-layer coils, multi-layer coils, honeycomb coils, close-wound coils, spaced-wound coils, self-supporting coils, honeycomb coils, random-wound coils.

EUPEC INFINEON electrical component classification

Plug-in fuses are often used at the end of lines for short-circuit protection of distribution branch circuits or electrical equipment. The upper cap of the screw-type fuse has a fuse indicator. Once the fusible element melts, the indicator pops out immediately and can be observed through the glass hole on the ceramic cap. It is often used in machine tool electrical control equipment. Screw-type fuses. Enclosed fuses are divided into filled fuses and non-filled fuses. Filled fuses generally use square ceramic tubes containing quartz sand and the fusible element, offering strong breaking capacity. Non-filled enclosed fuses enclose the fusible element in a sealed cylinder, with slightly lower breaking capacity. Fast-acting fuses are mainly used for short-circuit protection of semiconductor rectifier elements or rectifier devices. Since semiconductor elements have very low overload capacity and can only withstand large overload currents for a very short time, short-circuit protection requires fast-acting fusing capability. The structure of fast-acting fuses is basically the same as that of filled enclosed fuses, but the fusible element material and shape are different; it uses a silver sheet stamped with a V shaped deep groove variable cross-section fusible element. Fast-acting fuses are usually referred to as "fast fuses", characterized by fast fusing speed, high rated current, strong breaking capacity, stable current-limiting characteristics, and small size. Self-resetting fuses use sodium metal as the fusible element, which has high electrical conductivity at room temperature. When a short-circuit fault occurs in the circuit, the short-circuit current generates high temperature that rapidly vaporizes the sodium. The gaseous sodium presents a high-resistance state, thereby limiting the short-circuit current. After the short-circuit current disappears, the temperature drops, and the sodium metal restores its original good conductivity. Self-resetting fuses can only limit short-circuit current and cannot truly disconnect the circuit. Its advantage is that the fusible element does not need to be replaced and can be reused.

EUPEC INFINEON electrical component classification

1, classified by operating nature into transmitting antennas and receiving antennas. 2, classified by purpose into communication antennas, broadcast antennas, television antennas, radar antennas, etc. 3, classified by directionality into omnidirectional antennas and directional antennas, etc. 4, classified by operating wavelength into ultra-long wave antennas, long wave antennas, medium wave antennas, short wave antennas, ultra-short wave antennas, microwave antennas, etc. 5, classified by structural form and working principle into wire antennas and aperture antennas, etc. Characteristic parameters describing antennas include radiation pattern, directivity coefficient, gain, input impedance, radiation efficiency, polarization, and bandwidth. 6, classified by dimensionality into two types: ① One-dimensional antennas consist of many wires, which are either straight like those used in mobile phones, or some clever shapes, like the old rabbit ears used on televisions before cable appeared. Monopole and dipole antennas are the two most basic one-dimensional antennas. ② Two-dimensional antennas: diverse variations, including patch (a square piece of metal), array (a bundle of patches organized in a two-dimensional pattern), horn, and dish. 11, antennas can be divided into three major categories according to the usage scenario: handheld transceiver antennas, vehicle-mounted antennas, and base station antennas. Handheld transceiver antennas: antennas for personal use with handheld walkie-talkies, commonly including rubber antennas and telescopic antennas. Vehicle-mounted antennas: communication antennas originally designed for installation on vehicles, with suction cup antennas being the most common and widely used. Vehicle-mounted antenna structures also include shortened types, quarter-wave, center-loaded, five-eighths wave, and double half-wave antennas. Base station antennas: play a very key role in the entire communication system, especially as communication hubs. Commonly used base station antennas include fiberglass high-gain antennas, four-ring array antennas (eight-ring array antennas), and directional antennas

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