ELZED electrical components Germany ELZED model ELZED price

ELZED electrical components consist of two conductors placed close to each other with a non-conductive insulating dielectric layer in between, forming a capacitor. When voltage is applied across the two plates of a capacitor, it stores charge. The capacitance value is numerically equal to the ratio of the charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance is the Farad (F). In circuit diagrams, the letter C is commonly used to represent capacitive elements; capacitors are components that store electric charge and electrical energy (electric potential energy). A system of conductors where one conductor is surrounded by another, or where all electric field lines originating from one conductor terminate on another conductor, is called a capacitor.

ELZED electrical component classification

Inductor coils commonly used in circuits are roughly classified as follows: By inductance form: fixed inductors, variable inductors. By magnetic core material: air-core coils, ferrite coils, iron-core coils, copper-core coils. By operating function: antenna coils, oscillator coils, choke coils, trap coils, deflection coils. 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.

ELZED electrical component classification

Oscillators are mainly divided into RC, LC oscillators, and crystal oscillators. 1. RC oscillators using an RC network as the frequency-selective phase-shift network are collectively referred to as RC sine wave oscillators, belonging to audio oscillators. 2. LC oscillators using an LC resonant circuit as the phase-shift and frequency-selective network for positive feedback are called LC oscillators. 3. Crystal oscillators are oscillators whose oscillation frequency is controlled by a quartz crystal. 13. Temperature coefficient oscillators refer to a type of oscillator where there is a specific relationship between the oscillation frequency and temperature, meaning different temperatures correspond to different oscillation frequencies. Conversely, by measuring the output frequency of the oscillator, the temperature value can be determined.

ELZED electrical component applications

Semiconductor diodes are used in almost all electronic circuits. The use of semiconductor diodes in circuits can protect the circuit and extend its service life. The development of semiconductor diodes has optimized integrated circuits and played a positive role in various fields. Diodes serve many functions in integrated circuits, maintaining their normal operation. The following briefly introduces the roles of diodes in the following four types of circuits. (1) Switching circuits: In digital and integrated circuits, the unidirectional conductivity of diodes is utilized to achieve circuit conduction or disconnection; this technology is widely applied. Switching diodes can effectively protect circuits from damage due to short circuits and other issues, and can also perform the functions of traditional switches. Another characteristic of switching diodes is their fast switching speed, which is incomparable to traditional switches. (2) Limiter circuits: In electronic circuits, limiter circuits are commonly used to process various signals. They are used to selectively transmit part of the signal within a preset voltage level range. Most diodes can be used for limiting, but sometimes specialized limiter diodes are required, such as when protecting instruments. (3) Voltage regulator circuits: Zener diodes are typically used in voltage regulator circuits. They are junction-type silicon semiconductor diodes manufactured using special processes. These special diodes have high impurity concentrations and high charge density in the space charge region, making it easy to form a strong electric field. When the reverse voltage across the Zener diode reaches a certain value, the reverse current increases sharply, causing reverse breakdown. (14) Varactor circuits: Varactor diodes are commonly used in varactor circuits to achieve automatic frequency control, tuning, frequency modulation, and scanning oscillation.

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