Telcon electrical components Germany Telcon model Telcon price

Telcon electrical components is a general term for all single components based on semiconductor materials, including diodes, transistors, field-effect transistors, and thyristors (the latter three are all three-terminal devices) made of various semiconductor materials. A transistor is a semiconductor device commonly used in amplifiers or electronically controlled switches. Transistors are the basic building blocks for the standard operation of computers, mobile phones, and all other modern electronic circuits. Due to their fast response speed and high accuracy, transistors can be used for a wide variety of digital and analog functions, including amplification, switching, voltage regulation, signal modulation, and oscillators. Transistors can be packaged individually or as part of an integrated circuit in a very small area that can accommodate one hundred million or more transistors.

Telcon electrical component structure

The rated current of the fuse element is not equal to the rated current of the fuse. The rated current of the fuse element is selected according to the load current of the protected equipment. The rated current of the fuse should be greater than the rated current of the fuse element and determined in coordination with the main electrical appliance. The fuse mainly consists of 8 parts: the fuse element, the housing, and the support. The fuse element is the key component controlling the fusing characteristics. The material, dimensions, and shape of the fuse element determine the fusing characteristics. Fuse element materials are divided into two categories: low melting point and high melting point. Low melting point materials, such as lead and lead alloys, have a low melting point and melt easily. Due to their higher resistivity, they are made with larger cross-sectional dimensions, generating more metal vapor during fusing, and are only suitable for fuses with low breaking capacity. High melting point materials, such as copper and silver, have a high melting point and do not melt easily. However, due to their lower resistivity, they can be made with smaller cross-sectional dimensions than low melting point fuse elements, generating less metal vapor during fusing, and are suitable for fuses with high breaking capacity. The shape of the fuse element is divided into wire-shaped and strip-shaped. Changing the shape of the variable cross-section can significantly change the fusing characteristics of the fuse. Fuses have various different fusing characteristic curves and can be applied to meet the needs of different types of protected objects.

Telcon electrical component function

In DC circuits, a capacitor is equivalent to an open circuit. A capacitor is a component capable of storing electric charge and is one of the most commonly used electronic components. Starting with the structure of a capacitor, the simplest capacitor consists of two end plates and an insulating dielectric in between (including air). When energized, the plates become charged, forming a voltage (potential difference). However, due to the insulating material in between, the entire capacitor does not conduct electricity. However, this situation holds under the premise that the capacitor's critical voltage (breakdown voltage) is not exceeded. We know that any material is relatively insulating; when the voltage across a material increases to a certain level, the material can conduct electricity. We call this voltage the breakdown voltage. Capacitors are no exception; once a capacitor breaks down, it is no longer an insulator. However, at the secondary school level, such voltages are not seen in circuits, so they operate below the breakdown voltage and can be regarded as insulators. However, in AC circuits, the direction of current changes over time according to a certain functional relationship. The charging and discharging process of a capacitor takes time. During this process, a changing electric field is formed between the plates, and this electric field is also a function that changes over time. In fact, current passes through the capacitor in the form of an electric field.

Telcon electrical component function

Low-power resistors are typically composed of carbon film encapsulated in a plastic housing, while high-power resistors are typically wire-wound resistors, made by winding metal wire with high resistivity around a ceramic core. If the resistance value of a resistor is close to zero ohms (for example, a large-cross-section wire between two points), the resistor offers no obstruction to current, the circuit parallel to such a resistor is short-circuited, and the current is infinitely large. If a resistor has infinite or very large resistance, the circuit series-connected with this resistor can be regarded as an open circuit, and the current is zero. Resistors commonly used in industry lie between these two extremes; they have a certain resistance and can pass a certain amount of current, but the current is not as large as in a short circuit. The current-limiting effect of a resistor is similar to the effect of a small-diameter pipe connected between two large-diameter pipes restricting water flow. Resistance, usually abbreviated as R, is a fundamental property of a conductor, related to the conductor's size, material, and temperature. Ohm's law states that I = U/R, so R = U/I. The basic unit of resistance is the ohm, represented by the Greek letter "Ω". It is defined as follows: the resistance corresponding to a current of one ampere generated when one volt of voltage is applied across a conductor. The main function of a resistor is to obstruct the flow of current. In fact, "resistance" refers to a property, while the term "resistor" in electronic products usually refers to the component known as a resistor. Ohm is often abbreviated as ohm. Common units for expressing resistance values also include kiloohm (kΩ), megaohm (MΩ), and milliohm (m Ω).

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