Tekon-prueftechnik Gmbh electrical components Germany Tekon-prueftechnik Gmbh model Tekon-prueftechnik Gmbh price

Tekon-prueftechnik Gmbh electrical components are electronic devices made from semiconductor materials (silicon, selenium, germanium, etc.). A diode has two electrodes: the positive electrode, also called the anode; and the negative electrode, also called the cathode. When a forward voltage is applied across the two terminals of the diode, the diode conducts; when a reverse voltage is applied, the diode cuts off. The conduction and cutoff of the diode are equivalent to the closing and opening of a switch. The diode has unidirectional conductivity; when conducting, the current flows from the anode through the device to the cathode. The diode is one of the earliest semiconductor devices, with very wide applications. Especially in various electronic circuits, by reasonably connecting diodes with resistors, capacitors, inductors and other components to form circuits with different functions, it is possible to achieve functions such as rectification of AC, demodulation of modulated signals, limiting and clamping, and voltage stabilization of power supply voltage.

Tekon-prueftechnik Gmbh electrical component classification

Classification by application: toggle switches, band switches, record/playback switches, power switches, preselection switches, limit switches, control switches, changeover switches, isolating switches, travel switches, wall switches, smart fire protection switches, etc. Classification by structure: micro switches, rocker switches, toggle switches, slide switches, push-button switches, key switches, as well as fashionable membrane switches and dot switches. Classification by contact type: switches can be divided into a type contacts, b type contacts and c type contacts according to contact type. Contact type refers to the relationship between the operating condition "contacts close after operating (pressing) the switch" and the contact state. Suitable contact types of switches need to be selected according to the application. Classification by number of switches: single-control switches, dual-control switches, multi-control switches, dimmer switches, speed control switches, splash-proof boxes, doorbell switches, sensor switches, touch switches, remote control switches, smart switches, card-insertion power switches, bathroom heater dedicated switches.

Tekon-prueftechnik Gmbh electrical component principle

Inductance is the ratio of the magnetic flux in and around a conductor, generated when alternating current passes through it, to the current producing this flux. When direct current passes through an inductor, only fixed magnetic field lines appear around it, which do not change with time; however, when alternating current passes through a coil, magnetic field lines that change with time appear around it. Analyzing based on Faraday's law of electromagnetic induction—magnetism generating electricity—changing magnetic field lines will generate an induced electromotive force at both ends of the coil, which acts as a "new power source". When a closed loop is formed, this induced electromotive force will generate an induced current. According to Lenz's law, the total magnetic field lines generated by the induced current will strive to oppose the change in the original magnetic field lines. Since the change in the original magnetic field lines originates from the change in the externally applied alternating power source, objectively speaking, the inductive coil has the characteristic of opposing changes in current in an AC circuit. The inductive coil has characteristics similar to inertia in mechanics, named "self-induction" in electrical engineering. Sparks often occur at the moment of opening or closing a knife switch, which is caused by the high induced electromotive force generated by the self-induction phenomenon.

Tekon-prueftechnik Gmbh electrical component principle

The absorption film irradiated by infrared rays is a thin film with low heat capacity and easy temperature rise. A cavity structure is located directly below the center of the substrate, ensuring a temperature difference between the cold end and the measuring end. The thermocouple consists of polysilicon and aluminum, connected in series. When the temperature at the measuring end of each thermocouple rises, a thermal electromotive force Vn is generated between the thermocouples, so the sum of their voltages can be obtained at the output terminal.

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