Acculux electrical components, German Acculux models, Acculux pricing

Acculux electrical components are constituent parts of electronic components and small machines or instruments. They often consist of several parts and are interchangeable within similar products. The term commonly refers to certain parts in the electrical appliance, radio, and instrumentation industries, serving as a general term for electronic devices such as capacitors, transistors, hairsprings, and clock springs. Common examples include diodes. Electronic components include: resistors, capacitors, inductors, potentiometers, electron tubes, heat sinks, electromechanical components, connectors, discrete semiconductor devices, electroacoustic devices, laser devices, electronic display devices, optoelectronic devices, sensors, power supplies, switches, micromotors, electronic transformers, relays, printed circuit boards, integrated circuits, various circuits, piezoelectric materials, crystals, quartz, ceramic magnetic materials, base substrates for printed circuits, special materials for electronic functional processes, electronic adhesive (tape) products, electronic chemical materials and parts, etc.

Acculux electrical component types

For different application scenarios, the purpose of using varistors varies, and the voltage/current applied to the varistor differs; therefore, the requirements for the varistor also differ. Distinguishing these differences is crucial for correct usage. Based on the application purpose, varistors can be divided into two main categories: (1) protection varistors and (2) circuit function varistors. Protection resistors: (1) Distinguish between varistors for power supply protection and those for signal line or data line protection, as they must meet different technical standard requirements. (2) Based on the continuous operating voltage applied to the varistor, varistors across power lines can be classified into AC type or DC type. The aging characteristics of varistors under these two voltage stresses differ. (3) Based on the abnormal overvoltage characteristics withstand by the varistor, varistors can be classified into three types: surge suppression type, high-power type, and high-energy type. 1. Surge suppression varistors refer to varistors used to suppress transient overvoltages such as lightning overvoltage and switching overvoltage. The occurrence of such transient overvoltages is random and non-periodic, and the peak current and voltage may be very high. The vast majority of varistors belong to this category. 2. High-power varistors refer to varistors used to absorb continuous pulse groups that occur periodically, such as varistors connected in parallel to switching power supply converters. Here, the impulse voltage occurs periodically with a known period, and the energy value can generally be calculated. Although the voltage peak is not large, the average power is considerable due to the high frequency of occurrence. 8. High-energy varistors refer to varistors used to absorb magnetic energy in large inductive coils such as generator excitation coils and lifting electromagnet coils. For such applications, the main technical indicator is energy absorption capacity. In most application scenarios, the protective function of varistors can be exercised repeatedly. However, they are sometimes designed as "one-time" protective devices similar to current fuses, such as varistors with short-circuit contacts connected in parallel to the loads of certain current transformers.

Acculux electrical component applications

The primary application of rectifiers is to convert AC power to DC power. Since all electronic equipment requires DC power, but utility power is AC, rectifiers are indispensable inside the power supplies of all electronic equipment unless batteries are used. Converting DC voltage is more complex. One method of DC-DC conversion is to first convert the power to AC (using a device called an inverter), then use a transformer to change the AC voltage, and finally rectify it back to DC power. Rectifiers are also used for demodulation of AM radio signals. Before demodulation, the signal may be amplified (increasing the signal amplitude); if not amplified, diodes with very low voltage drop must be used. When using rectifiers for demodulation, careful matching of capacitors and load resistors is required. If the capacitance is too small, excessive high-frequency components will pass through; if too large, the signal will be suppressed. Rectifier units are also used to provide fixed-polarity voltage required for electric welding. Sometimes the output current of such circuits needs to be controlled; in these cases, thyristors (a type of silicon-controlled rectifier) replace the diodes in bridge rectifiers, and phase control triggering is used to adjust the voltage output. Thyristors are also used in railway locomotive systems at various levels to achieve fine tuning of traction motors.

Acculux electrical component classification

For most conductors, at a certain temperature, the resistance remains almost constant at a fixed value; such resistors are called linear resistors. For some materials, the resistance changes significantly with current (or voltage), and their V-I characteristic is a curve; such resistors are called nonlinear resistors. For a nonlinear resistor under a given voltage (or current), the ratio of voltage to current is the static resistance at that operating point, and the slope of the V-I characteristic curve is the dynamic resistance. Expressing nonlinear resistor characteristics is complex, but these nonlinear relationships are widely applied in electronic circuits.

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