103708 in stock German 103708 electrical components 103708 inventory

103708 Electrical components are products whose raw material molecular composition remains unchanged during factory processing; these are referred to as components. Components belong to the category of 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 altered 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

103708 Electrical Component Characteristics

Under normal circumstances, the actual static characteristic output of a sensor is a curve rather than a straight line. In practical applications, to ensure uniform scale readings on instruments, a fitted straight line is commonly used to approximate the actual characteristic curve. Linearity (non-linear error) is a performance indicator of this degree of approximation. There are various methods for selecting the fitted straight line. For example, the theoretical straight line connecting the zero-input point and the full-scale output point can be used as the fitted line; alternatively, the theoretical straight line that minimizes the sum of squared deviations from all points on the characteristic curve can be used, known as the least-squares fitted line.

103708 Electrical Component Applications

PN PIN photodiodes, like other types of photodetectors, are widely used in devices such as photoresistors, charge-coupled devices, and photomultiplier tubes. They can output corresponding analog electrical signals based on the illuminance of received light or switch between different states in digital circuits. Photodiodes are also applied in consumer electronics, such as CD players, smoke detectors, and infrared remote control devices for televisions and air conditioners. For many applications, photodiodes or other photoconductive materials can be used. They are often employed for light measurement, frequently functioning in camera exposure meters and automatic brightness adjustment for streetlights. All types of optical sensors can be used to detect sudden changes in illumination or to detect light emission within the same circuit system. Photodiodes are often combined with light-emitting devices to form a module, commonly referred to as an optocoupler. This allows the analysis of external mechanical component motion by analyzing received light conditions. Another function of photodiodes is to act as an intermediary between analog and digital circuits, enabling coupling via optical signals, which enhances circuit safety. In scientific research and industry, photodiodes are often used for precise light intensity measurement due to their superior linearity compared to other photoconductive materials. In medical equipment, photodiodes have extensive applications, such as in X ray computed tomography and pulse detectors. PIN PIN photodiodes are generally not used to measure very low light intensities. If high-sensitivity detection is required under weak light conditions, avalanche photodiodes, charge-coupled devices, or photomultiplier tubes are suitable, for applications such as astronomy, spectroscopy, night vision equipment, and laser rangefinders.

103708 Electrical Component Parameters

The main parameters of potentiometers include nominal resistance, rated power, resolution, sliding noise, resistance variation characteristics, wear resistance, zero-position resistance, and temperature coefficient. 1. Rated Power: The maximum power allowed to be dissipated across the two fixed terminals of a potentiometer is its rated power. Note that the rated power is not equal to the power between the center tap and a fixed terminal. The rated power of a potentiometer refers to the maximum power allowed for continuous long-term load at the specified rated temperature in DC or AC circuits when the atmospheric pressure is 87~107kPa. 2. Nominal Resistance: The nominal resistance marked on the product, with series similar to those of resistors. 3. Tolerance Class: The error range between the measured resistance and the nominal resistance allows for 20%, 10%, 5%, 2%, and 1% errors depending on the precision class. The precision of precision potentiometers can reach 0.1%. 7. 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, tape recorders, phonographs, and televisions. If a replacement of the same type is unavailable during maintenance, a linear potentiometer may be used as a substitute, but a logarithmic one is not recommended. Logarithmic potentiometers are only suitable for tone control, etc.

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