
PLZENSKEDILO electrical components Germany PLZENSKEDILO model PLZENSKEDILO price
PLZENSKEDILO electrical components are parts that connect the battery to external conductors. In electrical engineering, terminals mostly refer to wiring ends, also called terminal blocks. Types include single-hole, double-hole, socket, hook, etc. By material, they are classified as silver-plated copper, galvanized copper, copper, aluminum, iron, etc. Their main function is to transmit electrical signals or for conduction. In engineering, it is the interface reserved by pre-station works for post-station works, and is the embedded facility for post-station interface works. When observing objects with a terminal cross-section inspection microscope, it can produce an upright three-dimensional spatial image with strong stereoscopic effect, clear and wide imaging, and has
- SKU
- _P004835872
- Category
- Electrical and Electronic Components
- Brand
- PLZENSKEDILO
- Tags
- Connectors / Cable / Switch / Relay / Controller / Germany PLZENSKEDILO
PLZENSKEDILO electrical component structure
The structure and materials of new high-voltage Schottky diodes are different from traditional Schottky diodes. Traditional Schottky diodes are formed by metal-semiconductor contact. Metal materials can be aluminum, gold, molybdenum, nickel, titanium, etc., and the semiconductor is usually silicon or gallium arsenide. Since electrons have higher mobility than holes, to obtain good frequency characteristics, N type semiconductor material is selected as the substrate. To reduce the junction capacitance of the Schottky diode and increase the reverse breakdown voltage, while not making the series resistance too large, a high-resistance N- thin layer is usually epitaxially grown on the N+ substrate. As we know, there are a large number of conductive electrons inside metal conductors. When metal contacts semiconductor (the distance between them is only on the order of atomic size), the Fermi level of the metal is lower than that of the semiconductor. At the sub-levels corresponding to the conduction band of the semiconductor inside the metal, the electron density is less than that in the semiconductor conduction band. Therefore, after contact, electrons diffuse from the semiconductor to the metal, causing the metal to carry negative charge and the semiconductor to carry positive charge. Since metal is an ideal conductor, negative charge is distributed only within a thin layer of atomic size on the surface. For N type semiconductors, donor impurity atoms that lose electrons become positive ions and are distributed over a larger thickness. The result of electron diffusion from semiconductor to metal forms a space charge region, built-in electric field and barrier, and the depletion layer is only on the N type semiconductor side (the barrier region falls entirely on the semiconductor side). The direction of the built-in electric field in the barrier region points from the N type region to the metal. With the increase of thermionic emission, the built-in field increases, and the drift current opposite to the diffusion current increases, finally reaching dynamic equilibrium, forming a contact barrier between the metal and the semiconductor, which is the Schottky barrier. When the external voltage is zero, the electron diffusion current equals the reverse drift current, reaching dynamic equilibrium. When forward bias is applied (i.e., positive voltage to metal, negative voltage to semiconductor), the built-in field weakens, the barrier on the semiconductor side lowers, thus forming a forward current from metal to semiconductor. When reverse bias is applied, the built-in field strengthens, the barrier height increases, forming a smaller reverse current from semiconductor to metal. Therefore, SBD, like PN junction diodes, is a nonlinear device with unidirectional conductivity.
PLZENSKEDILO electrical component applications
Dedicated solid-state relays can have short-circuit protection, overload protection, and overheat protection functions. Combined with solidified encapsulation of combinational logic, they can realize intelligent modules required by users, directly used in control systems. Solid-state relays have been widely used in computer peripheral interface equipment, constant temperature systems, temperature regulation, electric furnace heating control, motor control, CNC machinery, remote control systems, industrial automation devices; signal lights, dimming, flashers, lighting stage lighting control systems; instruments and meters, medical devices, copiers, automatic washing machines; automatic fire fighting, security systems, and as switching switches for power capacitors for grid power factor compensation, etc. In addition, they are heavily used in chemical, coal mining and other occasions requiring explosion-proof, moisture-proof, and corrosion-resistant conditions.
PLZENSKEDILO electrical component features
A mercury switch achieves on/off switching by the movement of mercury encapsulated within a glass or metal housing. Therefore, compared with mechanical switches, mercury switches have many characteristics: (1) They can be used in harsh environmental conditions. Since the mercury switch is sealed, the internal mercury is isolated from the outside, so it can be used in environments with oil, steam, dust, and corrosive gases. (2) The external force required for switching is small. Mercury is the only metal that remains liquid at room temperature; it has high surface tension and specific gravity. Only a slight external force is needed to tilt the mercury switch, causing the mercury to move and achieve switching. (3) Mercury has good electrical conductivity, and the contact resistance between the electrodes of a mercury switch is generally very low. (4) The current allowed to pass through a mercury switch depends on the electrode material. (5) Since the switching of a mercury switch is determined by the gravity of the mercury, it can operate reliably for long periods. (6) The electrode contacts are liquid contacts, producing no noise. (7) Since mercury can flow, as long as the acceleration exceeds the set value, the mercury switch can turn on or off, so it can be used as a vibration-sensitive element. (8) Small size, diverse forms, and fully sealed device. (9) Simple structure and low price. (10) High quality, premium product, suitable for beginners.
Weidou Intelligent Technology professionally sells German PLZENSKEDILO connectors, PLZENSKEDILO switches, PLZENSKEDILO relays, PLZENSKEDILO controllers, PLZENSKEDILO plugs, PLZENSKEDILO sensors, PLZENSKEDILO resistors, PLZENSKEDILO capacitors, PLZENSKEDILO buses, PLZENSKEDILO modules, PLZENSKEDILO cables, PLZENSKEDILO power supplies, PLZENSKEDILO interfaces, PLZENSKEDILO gateways, PLZENSKEDILO circuit breakers, PLZENSKEDILO original imported from Germany. Welcome customers to inquire and order.






