SOLARIX electrical components Germany SOLARIX model SOLARIX price

SOLARIX electrical components utilize the good conductivity and fluidity of mercury to control the opening and closing of electrical circuits. They are composed of glass tubes, mercury, fixed electrodes, lead wires, etc. After evacuating the air from the tube, it is filled with various gases and sealed. It is suitable for environments with dust, oil, water vapor, corrosive gases, and can also be used as an explosion-proof switch in places with explosive gases. Given the high surface tension and specific gravity of the mercury inside the tube, along with its fluidity, the position of the mercury changes immediately with even a slight tilt of the glass tube, and contacts the electrodes via surface contact, thus enabling the switching of high AC and DC currents. Additionally, this type of switch features a lifespan of several million cycles at rated current, small size, high sensitivity, no mechanical noise, and low cost, making it commonly used as a switch for automatic control.

SOLARIX electrical component structure

A bipolar junction transistor is made by fabricating two closely spaced PN junctions on a single semiconductor substrate. These two PN junctions divide the entire semiconductor into three parts: the base region in the middle, and the emitter and collector regions on either side. There are two arrangement types: PNP and NPN. Corresponding electrodes are led out from the three regions, namely the base b, emitter e, and collector c. The PN junction between the emitter and base regions is called the emitter junction, and the PN junction between the collector and base regions is called the collector junction. The base region is very thin, while the emitter region is thicker with a high impurity concentration. In PNP type transistors, the emitter "emits" holes, whose movement direction is consistent with the current direction, so the emitter arrow points inward; in NPN type transistors, the emitter "emits" free electrons, whose movement direction is opposite to the current direction, so the emitter arrow points outward. The direction of the emitter arrow also indicates the conduction direction of the PN junction under forward voltage. Both silicon and germanium bipolar transistors come in PNP and NPN types. Transistor packaging and pin identification: Common transistor packages include metal and plastic types. The pin arrangement follows certain patterns. When viewed from the bottom with the three pins forming the vertices of an isosceles triangle, the order from left to right is e b c; for small and medium-power plastic transistors, orient the flat side towards you with the three pins facing down, and the order from left to right is e b c.

SOLARIX electrical component principle

The main raw material for ferrite beads is ferrite. Ferrite is a ferrimagnetic material with a cubic lattice structure. Ferrite materials are iron-magnesium or iron-nickel alloys; their manufacturing process and mechanical properties are similar to ceramics, and they are gray-black in color. One type of magnetic core frequently used in electromagnetic interference (EMI) filters is ferrite material, and many manufacturers offer ferrite materials specifically for EMI suppression. This material is characterized by very high losses at high frequencies and high permeability, which minimizes the capacitance generated between the coil windings of an inductor under high-frequency, high-impedance conditions. For ferrites used in EMI suppression, the most important performance parameters are permeability μ and saturation flux density Bs. Permeability μ can be expressed as a complex number, where the real part constitutes inductance and the imaginary part represents loss, which increases with frequency. Therefore, its equivalent circuit is a series circuit composed of inductance L and resistance R, both of which are functions of frequency. When a wire passes through such a ferrite core, the resulting inductive impedance formally increases with frequency, but the mechanism differs completely at different frequencies. In the low-frequency range, the impedance consists of the inductive reactance of the inductor. At low frequencies, R is very small, and the core's permeability is high, resulting in large inductance; L plays the major role, and EMI is suppressed by reflection. At this stage, the core loss is small, and the entire device acts as an inductor with low loss and high Q characteristics. This inductance is prone to resonance, so in the low-frequency range, interference may sometimes increase after using ferrite beads. In the high-frequency range, the impedance consists of the resistive component. As frequency increases, the core's permeability decreases, leading to a reduction in inductance and inductive reactance. However, the core loss increases, and the resistive component increases, leading to an overall increase in impedance. When high-frequency signals pass through the ferrite, EMI is absorbed and dissipated as heat. Ferrite suppression components are widely used on printed circuit boards, power lines, and data lines. For example, adding ferrite suppression components at the power input of a PCB can filter out high-frequency interference. Ferrite rings or beads are specifically designed to suppress high-frequency and spike interference on signal and power lines, and they also have the ability to absorb electrostatic discharge pulse interference. The values of two components are proportional to the length of the bead, and the bead length has a significant impact on suppression effectiveness; the longer the bead, the better the suppression. Inductors can be used for power filtering. The circuit symbol for a ferrite bead is that of an inductor, but the model number indicates it is a bead. In terms of circuit function, ferrite beads and inductors operate on the same principle, differing only in their frequency characteristics. Ferrite beads are composed of oxide magnets. Ferrite beads offer significant impedance only to high-frequency signals; at low frequencies, their resistance is much lower than that of inductors. Ferrite beads are a rapidly developing anti-interference component, being inexpensive, easy to use, and highly effective at filtering high-frequency noise.

SOLARIX electrical component applications

Wire and cable products used in power systems mainly include overhead bare wires, busbars (busways), power cables (plastic cables, oil-paper insulated cables (largely replaced by plastic power cables), rubber-sheathed cables, overhead insulated cables), branch cables (replacing some busbars), magnet wires, and electrical equipment wires and cables for power devices. Wire and cable products used in information transmission systems mainly include telephone cables, TV cables, electronic cables, RF cables, fiber optic cables, data cables, magnet wires, power communication cables, or other composite cables. Except for overhead bare wires, almost all other products in this category have applications, but mainly power cables, magnet wires, data cables, and instrument cables.

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