SALTEK electrical components Germany SALTEK model SALTEK price

SALTEK 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 energy. They include: resistors, capacitors, inductors. Circuit-type components include diodes and resistors; connection-type components include connectors, sockets, connecting cables, printed circuit boards (PCB), etc. 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 generate or 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

SALTEK electrical component principles

A crystal diode is a p-n junction formed by p-type semiconductor and n-type semiconductor. A space charge layer is formed on both sides of the interface, and a built-in electric field is established. When no external voltage is applied, the diffusion current caused by the carrier concentration difference across the p-n junction and the drift current caused by the built-in electric field are equal, resulting in an electrical equilibrium state. When a forward voltage bias is applied externally, the mutual cancellation effect of the external electric field and the built-in electric field increases the diffusion current of carriers, causing a forward current. When a reverse voltage bias is applied externally, the external electric field and the built-in electric field are further strengthened, forming a reverse saturation current within a certain reverse voltage range that is independent of the reverse bias voltage value. When the applied reverse voltage reaches a certain level, the electric field strength in the space charge layer of the p-n junction reaches a critical value, causing a carrier multiplication process that generates a large number of electron-hole pairs, resulting in a large reverse breakdown current, known as the diode breakdown phenomenon.

SALTEK electrical component structure

The main purpose of fiber optic connectors is to achieve fiber splicing. Fiber optic connectors, which are widely used in fiber optic communication systems, come in many types with different structures. However, upon closer examination, the basic structure of various types of fiber optic connectors is consistent, i.e., the vast majority of fiber optic connectors generally use high-precision components (consisting of two ferrules and one coupling tube, totaling three parts) to achieve aligned connection of the fibers. This method involves inserting and fixing the fiber into the ferrule, polishing the surface of the ferrule, and achieving alignment in the coupling tube. The outer component of the ferrule is made of metal or non-metallic materials. The mating end of the ferrule must be polished, and the other end usually uses a strain relief member to support the fiber or fiber optic cable to release stress. The coupling tube is generally made of two halves synthesized from materials such as ceramic or bronze, forming a tight cylindrical component, often equipped with metal or plastic flanges to facilitate the installation and fixation of the connector. To align the fibers as precisely as possible, the machining precision requirements for the ferrule and coupling tube are very high.

SALTEK electrical component principles

Electrodynamic loudspeakers, also known as moving-coil loudspeakers, are electro-acoustic transducers based on the electrodynamic principle. They are the most widely used loudspeakers, mainly for three reasons: 1. Electrodynamic loudspeakers have a simple structure, are easy to manufacture, and do not require much space, resulting in low prices and widespread adoption. 2. These loudspeakers can achieve excellent performance, with uniform frequency response in the mid-frequency range. 3. These loudspeakers are constantly being improved. Decades of loudspeaker development history is a history of continuous improvement in design, craftsmanship, and materials, as well as a history of performance keeping pace with the times. Electrodynamic loudspeakers are mostly cone-shaped or dome-shaped. The structure of cone loudspeakers can be divided into three parts: 1. The vibration system includes the diaphragm, voice coil, centering spider, dust cap, etc. 2. The magnetic circuit system includes the upper pole piece, pole piece, lower pole piece, magnet, etc. 10. The auxiliary system includes the basket, surround, terminal board, and phase plug. According to Faraday's law, when a current-carrying conductor passes through a magnetic field, it experiences an electromagnetic force. Its direction conforms to Fleming's left-hand rule, with the force perpendicular to the current and magnetic field directions. The magnitude of the force is proportional to the current, wire length, and magnetic flux density. When an alternating audio current is input to the voice coil, the voice coil experiences an alternating driving force, producing alternating motion, which drives the paper cone to vibrate, repeatedly pushing the air to produce sound.

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