Wurth Elektronik electrical components, German Wurth Elektronik models, Wurth Elektronik prices

Wurth Elektronik electrical components are devices that convert optical signals into electrical signals. Their operating principle is based on the photoelectric effect. The photoelectric effect refers to the phenomenon where electrons in a material absorb photon energy when light strikes certain substances, resulting in corresponding electrical effects. Based on the different manifestations of the photoelectric effect, it is classified into three categories: external photoelectric effect, internal photoelectric effect, and photovoltaic effect. Photoelectric devices include phototubes, photomultiplier tubes, photoresistors, photodiodes, phototransistors, and photocells. This section analyzes the performance and characteristic curves of photoelectric devices.

Wurth Elektronik electrical component structure

Three basic configurations of fiber optic sensor networks. Fiber optic sensor networks have three basic configurations. One is called the single-point sensor, where a single fiber serves only as a transmission medium. Another is called the multipoint sensor, where a single fiber connects multiple sensors in series, allowing many sensors to share a light source for networked monitoring. The third is the intelligent fiber optic sensor. A multipoint fiber optic sensor appears externally as a section of grating, with periodic intervals observed under ultraviolet irradiation. When light enters the fiber, if the wavelength of the light equals twice the interval, the light wave will undergo strong reflection. If the fiber is subjected to temperature changes or strain, this reflected wavelength will change. Many such sensors can be made on a single fiber; connecting them enables various sensing applications. Since optical fibers are flexible, they can be arranged in two-dimensional or three-dimensional spaces, where the horizontal axis represents spatial position and the vertical axis represents the measured object. What problems does such a sensor network solve? It determines what event occurred at which location and the intensity of that event, thereby providing two-dimensional information. This is the problem that intelligent fiber optic sensors aim to solve. They have prominent required features, including small size, high strength, good stability, embeddability in materials, resistance to electromagnetic interference, and environmental durability.

Wurth Elektronik electrical component types

(1)Vacuum tubes are classified by application into voltage amplifier tubes, power amplifier tubes, gas-filled tubes, thyratrons, ignitrons, frequency converter tubes, rectifier tubes, detector tubes, tuning indicator tubes (magic eye), voltage regulator tubes, and others. (2)Vacuum tubes are classified by the number of electrodes into voltage amplifier tubes, triodes, tetrodes, pentodes, hexodes, heptodes, octodes, nonodes, and composite tubes. Tubes with more than three electrodes are also called multi-electrode or multi-grid tubes. (3)Vacuum tubes are classified by shape and envelope material into bottle-shaped glass tubes (ST tubes), "acorn" tubes, cylindrical glass tubes (GT tubes), large glass tubes (G type tubes), metal-ceramic tubes, miniature tubes (also called peanut or finger tubes, MT tubes), lighthouse tubes, and sub-miniature tubes (pencil tubes). (4)Vacuum tubes are classified by internal structure into single diodes, diodes, double-diode triodes, double diodes, single triodes, power pentodes, beam tetrodes, beam pentodes, dual diodes, diode-pentode composite tubes, beam tetrodes, triode-pentode composite tubes, triode-hexode composite tubes, triode-heptode composite tubes, and various types of beam power tubes. (5)Vacuum tubes are classified by cathode heating method into directly heated cathode vacuum tubes (current passes directly through the cathode to achieve thermionic emission) and indirectly heated cathode vacuum tubes (the cathode is heated by a filament adjacent to it). (6)Vacuum tubes are classified by shielding method into sharp-cutoff shielded vacuum tubes and remote-cutoff shielded vacuum tubes. (7)Vacuum tubes are classified by cooling method into water-cooled vacuum tubes, air-cooled vacuum tubes, and natural convection-cooled vacuum tubes.

Wurth Elektronik electrical component applications

Specialized solid-state relays can feature short-circuit protection, overload protection, and overheat protection. When combined with hardwired combinational logic encapsulation, they can realize intelligent modules tailored to user needs, suitable for direct use in control systems. Solid-state relays are widely used in computer peripheral interface equipment, constant temperature systems, temperature regulation, electric furnace heating control, motor control, CNC machinery, remote control systems, and industrial automation devices; signal lights, dimming, flashers, stage lighting control systems; instruments, medical devices, copiers, automatic washing machines; automatic fire fighting and security systems, as well as switching switches for power capacitors used in grid power factor compensation. Additionally, they are extensively used in chemical, coal mining, and other environments requiring explosion-proof, moisture-proof, and corrosion-resistant properties.

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