Digitus electrical components Germany Digitus model Digitus price

Digitus electrical components are current fuses that provide overload protection. When a circuit fault or abnormality occurs, the current continues to rise. This rising current may damage certain important components in the circuit, burn out the circuit, or even cause a fire. If a fuse is correctly installed in the circuit, it will melt and cut off the current when the current abnormally rises to a certain level and temperature, thereby protecting the safe operation of the circuit. With the fuse correctly installed in the circuit, the fuse will melt and cut off the current when the current abnormally rises to a certain level and temperature, protecting the safe operation of the circuit. The fuse invented by Edison was used to protect the then-expensive incandescent lamps. With the development of the times, fuses protect power equipment from damage caused by overcurrent and overheating, avoiding serious damage to electronic equipment caused by internal faults.

Digitus electrical component classification

Printed circuit boards are divided into three major categories based on the number of layers: single-sided boards, double-sided boards, and multilayer boards. First is the single-sided board. On the most basic PCB, components are concentrated on one side, while conductors are concentrated on the other side. Because conductors appear only on one side, this type of PCB is called a single-sided printed circuit board. Single-sided boards are usually simple to manufacture and low in cost, but their disadvantage is that they cannot be applied to overly complex products. Double-sided boards are an extension of single-sided boards. When single-layer wiring cannot meet the needs of electronic products, double-sided boards must be used. Both sides have copper cladding and traces, and vias can be used to conduct circuits between the two layers, forming the required network connections. Multilayer boards refer to printed boards formed by laminating more than three conductive graphic layers with insulating materials in between, with the conductive graphics interconnected as required. Multilayer printed circuit boards are the product of the development of electronic information technology towards high speed, multi-function, large capacity, small volume, thin profile, and light weight. Based on characteristics, printed circuit boards are divided into flexible boards (FPC), rigid boards (PCB), and rigid-flex boards (FPCB).

Digitus electrical component structure

Three basic configurations of fiber optic sensor networks. There are three basic configurations of fiber optic sensor networks, one of which is called the single-point sensor. Here, a single optical fiber serves only for transmission. Another type is the multipoint sensor, where a single optical fiber connects many sensors in series, allowing many sensors to share a light source for networked monitoring. Then there is the intelligent fiber optic sensor. A multipoint fiber optic sensor looks like a section of grating from the outside, with periodic intervals discovered through ultraviolet irradiation. When light is incident on the fiber, if the wavelength of the light exactly equals twice the interval, the light wave will be strongly reflected. If the fiber is subjected to temperature changes or strain, this reflection wavelength will change. Many such sensors can be made on a single fiber, and connecting them allows for various sensing applications. Because optical fibers are flexible, they can be arranged in two-dimensional and three-dimensional spaces, so the horizontal axis represents spatial position and the vertical axis represents the measured object. What problem does such a sensor network solve? It solves the problem of what happened at what location and with what intensity, thereby providing two-dimensional information. This is the problem that intelligent fiber optic sensors need to solve. They have very prominent required characteristics, including small size, high strength, good stability, and embeddability in materials. They are resistant to electromagnetic interference and environmentally durable.

Digitus electrical component principle

Potentiometric displacement sensors convert mechanical displacement into resistance or voltage output that has a linear or arbitrary functional relationship with the displacement via potentiometer elements. Ordinary linear potentiometers and rotary potentiometers can be used as linear displacement and angular displacement sensors, respectively. However, potentiometers designed for the purpose of measuring displacement require a definite relationship between displacement change and resistance change. The movable wiper of a potentiometric displacement sensor is connected to the object being measured. The displacement of the object causes a change in resistance at the moving end of the potentiometer. The amount of resistance change reflects the magnitude of the displacement, while whether the resistance increases or decreases indicates the direction of the displacement. Usually, a supply voltage is applied to the potentiometer to convert the resistance change into a voltage output. In wire-wound potentiometers, the resistance changes in steps based on the turn-to-turn resistance as the wiper moves, so their output characteristic is also stepped. If such a displacement sensor is used as a displacement feedback element in a servo system, excessive step voltage may cause system oscillation. Therefore, the resistance value per turn should be minimized during the manufacture of the potentiometer. Another major disadvantage of potentiometric sensors is that they are prone to wear. Their advantages are: simple structure, large output signal, ease of use, and low price.

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