ITALWEBER electrical components Germany ITALWEBER model ITALWEBER price

ITALWEBER electrical components are Schottky barrier diodes named after their inventor, Dr. Schottky. Schottky barrier diodes are not made using the principle of forming a PN junction by the contact between P-type semiconductor and N-type semiconductor, but rather using the principle of a metal-semiconductor junction formed by the contact between metal and semiconductor. Therefore, Schottky barrier diodes are also called metal-semiconductor (contact) diodes or surface barrier diodes; they are a type of hot-carrier diode.

ITALWEBER electrical components characteristics

The characteristics of inductors are exactly opposite to those of capacitors; they have the property of blocking alternating current while allowing direct current to pass smoothly. The resistance when a DC signal passes through the coil is simply the resistance of the wire itself, resulting in a very small voltage drop; when an AC signal passes through the coil, a self-induced electromotive force is generated across the coil terminals. The direction of this self-induced electromotive force is opposite to that of the applied voltage, hindering the passage of AC. Therefore, the characteristic of an inductor is to pass DC and block AC; the higher the frequency, the greater the coil impedance. Inductors often work together with capacitors in circuits to form LC filters, LC oscillators, etc. Additionally, utilizing the properties of inductance, devices such as chokes, transformers, and relays are manufactured. Passing DC: This refers to the inductor presenting a conductive state to DC. If the resistance of the inductor coil is ignored, DC can pass through the inductor "unimpeded." For DC, the coil's own resistance offers very little obstruction, so it is often neglected in circuit analysis. Blocking AC: When AC passes through the inductor coil, the inductor offers resistance to the AC; this obstruction is the inductive reactance of the coil.

ITALWEBER electrical components principle

A transformer is a device that changes AC voltage using the principle of electromagnetic induction. Its main components are the primary winding, secondary winding, and iron core (magnetic core). In electrical equipment and wireless circuits, it is commonly used for stepping voltage up or down, impedance matching, safety isolation, etc. In generators, whether the coil moves through a magnetic field or the magnetic field moves through a fixed coil, an electromotive force is induced in the coil. In both cases, the value of the magnetic flux remains unchanged, but the amount of magnetic flux linking the coil varies; this is the principle of mutual induction. A transformer is a device that utilizes electromagnetic mutual induction to transform voltage, current, and impedance.

ITALWEBER electrical components principle

A DC power supply has two electrodes, positive and negative. The potential at the positive electrode is high, and the potential at the negative electrode is low. When the two electrodes are connected to a circuit, they maintain a constant potential difference between the two ends of the circuit, thereby forming a current from the positive electrode to the negative electrode in the external circuit. Relying solely on the difference in water levels cannot maintain a steady water flow, but using a water pump to continuously move water from a lower level to a higher level can maintain a certain water level difference and form a steady water flow. Similarly, relying solely on the electrostatic field generated by electric charges cannot maintain a steady current. However, with a DC power supply, non-electrostatic forces (abbreviated as "non-electrostatic force") can be used to return positive charges from the negative electrode at a lower potential through the interior of the power supply to the positive electrode at a higher potential, thereby maintaining the potential difference between the two electrodes and forming a steady current. Therefore, a DC power supply is an energy conversion device that converts other forms of energy into electrical energy to supply the circuit, maintaining the steady flow of current.

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