GMW electrical components Germany GMW model GMW price

GMW electrical components are products whose raw material molecular composition is not changed during factory processing, and can be called components. Components belong to devices that do not require an energy source. They include: resistors, capacitors, and inductors. Circuit-type components include diodes and resistors; connection-type components include connectors, sockets, connecting cables, and printed circuit boards (PCB). Devices are products whose raw material molecular structure is changed during factory production and processing. Devices are divided into active devices and discrete devices. The main characteristic of active devices is that they consume electrical energy and require an external power supply. Discrete devices are divided into bipolar junction transistors, field-effect transistors, thyristors, semiconductor resistors, and capacitors. shi

GMW electrical component applications

The main application of rectifiers is to convert AC power to DC power. Since all electronic equipment requires DC, but utility power is AC, rectifiers are indispensable inside the power supplies of all electronic equipment unless batteries are used. Converting DC voltage is much 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. The signal may be amplified (increasing the signal amplitude) before demodulation; if not amplified, diodes with very low voltage drop must be used. When using rectifiers for demodulation, care must be taken to match capacitors and load resistors. 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. The output current of such circuits sometimes needs to be controlled; in this case, thyristors (a type of silicon-controlled rectifier) replace the diodes in bridge rectifiers, and their voltage output is adjusted via phase-control triggering. Thyristors are also used in various railway locomotive systems to achieve fine adjustment of traction motors.

GMW electrical component features

Features self-diagnostic stable operating zone indication, promptly informing whether the working status is reliable; through-beam, retro-reflective, and mirror-reflective photoelectric switches have mutual interference prevention functions and are easy to install; settings at the control end allow pre-checking whether the photoelectric switch works normally before operation. It can accept interrupt or detection commands from a computer or programmable logic controller at any time; appropriate combination of external diagnosis and self-diagnosis enables intelligent photoelectric switches; fast response speed, capable of detecting tiny objects moving at high speed; adopts dedicated integrated circuits and advanced surface mount technology, offering high reliability; small size, light weight, simple installation and debugging, and includes short-circuit protection function.

GMW electrical component parameters

The main parameters of potentiometers include nominal resistance, rated power, resolution, sliding noise, resistance variation characteristic, wear resistance, zero-position resistance, and temperature coefficient. 1. Rated power: the maximum power allowed to be dissipated across the two fixed terminals of the potentiometer is the rated power of the potentiometer. Note that the rated power is not equal to the power between the center tap and the fixed terminal. The rated power of a potentiometer refers to the maximum power allowed to be consumed under long-term continuous load at the specified rated temperature, when the atmospheric pressure is 87~107kPa. 2. Nominal resistance: the nominal resistance value marked on the product, with series similar to resistor series. 3. Tolerance class: the error range between the measured resistance and the nominal resistance allows for 20%, 10%, 5%, 2%, 1% error depending on the precision class. The precision of precision potentiometers can reach 0.1%. 10. Resistance variation law: refers to the relationship between resistance and the rotation angle (or sliding travel) of the wiper contact. This relationship can take any functional form; common types include linear, logarithmic, and reverse logarithmic (exponential). In use, linear potentiometers are suitable as voltage dividers; reverse logarithmic (exponential) potentiometers are suitable as volume controls in radios, recorders, phonographs, and televisions. If a replacement of the same type is not found during maintenance, a linear type can be used as a substitute, but a logarithmic type is not recommended. Logarithmic potentiometers are only suitable for tone control, etc.

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