braun electrical components Germany braun model braun price

braun electrical components are devices that convert other forms of energy into electrical energy and supply it to circuits (electronic devices). Power sources operate on the principle of electromagnetic induction, generating electricity from renewable sources such as hydropower, wind power, tidal power, dam water pressure differences, and solar energy, as well as from burning coal and oil residue. A power supply is a device that delivers power to electronic equipment, also known as a power supply unit; it provides the electrical energy required by all components in a computer. The magnitude of the power supply rating, and the stability of current and voltage, directly affect the operating performance and service life of the computer.

braun electrical component classification

1, fuse resistors: also called fusible resistors, they serve the dual function of a resistor and a fuse under normal conditions. When a circuit fault causes the power to exceed the rated power, they blow like a fuse to disconnect the circuit. Fuse resistors generally have low resistance values and low power ratings. 12, sensitive resistors: these exhibit sensitivity in their resistance value to certain physical quantities (such as temperature, humidity, light intensity, voltage, mechanical force, and gas concentration). When these physical quantities change, the resistance of the sensitive resistor changes accordingly, presenting different resistance values. Based on sensitivity to different physical quantities, sensitive resistors can be classified into thermistors, humidity-sensitive resistors, photoresistors, varistors, force-sensitive resistors, magnetosensitive resistors, and gas-sensitive resistors. The materials used in sensitive resistors are almost exclusively semiconductors, so these resistors are also called semiconductor resistors. The resistance of a thermistor changes with temperature; a negative temperature coefficient (NTC) thermistor shows a decrease in resistance as temperature rises. NTC thermistors are widely used and can be further divided into general-purpose NTC thermistors, voltage-stabilizing NTC thermistors, and temperature-measuring NTC thermistors. A photoresistor's resistance changes with the intensity of incident light; when light intensity increases, the resistance of the photoresistor decreases, and when light intensity weakens, the resistance increases.

braun electrical component reliability

1, influence of environment on relay reliability: relays achieve the highest mean time between failures when operating under GB and SF conditions. 2, influence of quality grade on relay reliability: the quality grade of a relay has a significant impact on its reliability. 3, influence of contact configuration on relay reliability: the contact configuration of a relay also affects its reliability; single-throw relays are more reliable than double-throw relays with the same number of poles, and reliability gradually decreases as the number of poles increases. The mean time between failures for a single-pole single-throw relay is higher than that of a four-pole double-throw relay. 4, influence of structural type on relay reliability: there are many structural types of relays, and each type affects reliability differently. 5, influence of temperature on relay reliability: relays operate within a specified temperature range; as temperature rises, the mean time between failures gradually decreases. 6, influence of switching rate on relay reliability: as the switching rate of a relay increases, the mean time between failures basically shows an exponential downward trend. Therefore, if a circuit design requires a very high switching rate for the relay, careful inspection of the relay during maintenance is necessary to ensure timely replacement. 8, influence of current ratio on relay reliability: the current ratio is defined as the ratio of the relay's operating load current to its rated load current. The current ratio significantly affects relay reliability; therefore, in circuit design, loads with higher rated currents should be selected to lower the current ratio, ensuring that neither the relay nor the entire circuit suffers reduced reliability due to fluctuations in operating current.

braun electrical component principles

The forward characteristic of the volt-ampere curve of a Zener diode is similar to that of a standard diode. In the reverse characteristic, when the reverse voltage is below the reverse breakdown voltage, the reverse resistance is very high and the reverse leakage current is extremely small. However, when the reverse voltage approaches the critical value, the reverse current increases abruptly, a phenomenon known as breakdown. At this critical breakdown point, the reverse resistance drops suddenly to a very low value. Although the current varies over a wide range, the voltage across the diode remains basically stable near the breakdown voltage, thereby achieving the voltage regulation function of the diode.

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