BRILUM electrical components Germany BRILUM model BRILUM price

BRILUM electrical components are products whose raw material molecular composition is not altered during factory processing, and can be referred to as components. Components belong to devices that do not require an energy source. They include: resistors, capacitors, and inductors. Circuit-type components include diodes and resistors; connection-type components include connectors, sockets, connecting cables, and printed circuit boards (PCB). Devices are products whose raw material molecular structure is altered during factory production and processing. Devices are divided into active devices and discrete devices. The main characteristic of active devices is that they consume small amounts of electrical energy and require an external power supply. Discrete devices are divided into bipolar junction transistors, field-effect transistors, thyristors, semiconductor resistors, and capacitors. shi

BRILUM electrical component structure

The simplest switch consists of two metal pieces called "contacts." When the two contacts touch, they complete the current circuit; when they do not touch, the current path is open. When selecting contact metals, their resistance to corrosion must be considered, because most metals form insulating oxides after oxidation, preventing the contacts from functioning properly. Selection of contact metals must also consider factors such as electrical conductivity, hardness, mechanical strength, cost, and toxicity. Corrosion-resistant metals are sometimes plated onto the contacts. Plating is generally applied to the contact surfaces to avoid performance degradation due to oxides. Sometimes non-metallic conductive materials, such as conductive plastics, are used for the contact surfaces. In addition to contacts, switches contain movable parts that make or break the contact. Switches can be classified by their movable parts into lever switches, pushbutton switches, rocker switches, etc., and the movable parts can also be other types of mechanical linkages.

BRILUM electrical component advantages

Components do not suffer from consumption-related degradation. No matter how high-quality a vacuum tube is, it will gradually deteriorate due to changes in cathode atoms and slow air leakage. For technical reasons, transistors faced similar issues at the beginning of their production. Transistors consume very little electrical energy, only one-tenth to one-hundredth of that of vacuum tubes. Unlike vacuum tubes, they do not require heating filaments to generate free electrons. A transistor radio can operate for six months to a year on just a few dry cells, which is difficult to achieve with vacuum tube radios. No warm-up is required; they operate immediately upon startup. For example, a transistor radio produces sound immediately upon switching on, and a transistor television displays an image quickly. Vacuum tube equipment cannot achieve this. After switching on, one must wait a while before hearing sound or seeing an image. Clearly, transistors have significant advantages in military, measurement, and recording applications. They are robust and reliable, resistant to shock and vibration, which vacuum tubes cannot match. Additionally, the volume of a transistor is only one-tenth to one-hundredth of that of a vacuum tube, and it generates very little heat, making it suitable for designing small, complex, and reliable circuits. Although transistor manufacturing processes are precise, the steps are simple, facilitating higher component mounting density.

BRILUM electrical component parameters

(1) Nominal capacitance is the capacitance value marked on the capacitor. However, there is a deviation between the actual capacitance and the nominal capacitance. The accuracy class corresponds to the allowable error. General capacitors commonly use classes I, II, and III, while electrolytic capacitors use classes IV, V, and VI to indicate capacitance precision, selected according to the application. The capacitance value of an electrolytic capacitor depends on the impedance presented during operation under AC voltage. The capacitance value changes with operating frequency, temperature, voltage, and measurement method. The unit of capacitance is F (farad). Since a capacitor is a "container" for storing electric charge, the issue of "capacity" size arises. To measure a capacitor's ability to store charge, the physical quantity of capacitance is defined. A capacitor can only store charge under the influence of an applied voltage. Different capacitors may store different amounts of charge under the same voltage. Internationally, it is uniformly specified that when a DC voltage of 1 volts is applied to a capacitor, the amount of charge it can store is defined as its capacitance (i.e., the charge per unit voltage), represented by the letter C. The basic unit of capacitance is the farad (F). (2) Rated voltage is the maximum DC voltage that can be continuously applied to the capacitor at the minimum and rated ambient temperatures. If the operating voltage exceeds the capacitor's voltage rating, the capacitor will break down, causing damage. In practice, as temperature rises, the voltage rating decreases. (3) Insulation resistance. When DC voltage is applied to a capacitor, a leakage current is generated. The ratio of the voltage to the leakage current is called insulation resistance. When the capacitance is small, its value mainly depends on the surface condition of the capacitor. Generally, the higher the insulation resistance, the better. (4) Loss. The energy consumed by a capacitor due to heating per unit time under the action of an electric field is called loss. Loss is related to the frequency range, dielectric material, conductivity, and the resistance of the capacitor's metal parts. (11) Frequency characteristics. As frequency increases, the capacitance of general capacitors tends to decrease. When a capacitor operates below its resonant frequency, it exhibits capacitive behavior; when it exceeds its resonant frequency, it exhibits inductive behavior, meaning it acts as an inductor rather than a capacitor. Therefore, it is essential to avoid operating capacitors above their resonant frequency.

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